Run results for: Clone test - JSON parse and standardClone check

Run details:
User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36
Browser: Chrome 103
Operating system: Mac OS X 10.15.7
Device Platform: Desktop
Date tested: one year ago
Test name	Executions per second
Classic	4993.6 Ops/sec
New	3800.3 Ops/sec
Script Preparation code:
var FILTER_OPTIONS = [
  {
    attribute: 'sales_account.name',
    'default': true,
    label: 'Accounts',
    domType: 'dropdown',
    name: 'sales_account.name',
    custom: false,
    meta: {
      beta: true,
      multiple: true,
      tag: true,
      url: '/suggest/sales_account/name'
    }
  },
  {
    attribute: 'active_sales_sequences',
    'default': true,
    label: 'Active sales sequences',
    domType: 'multi_select',
    name: 'active_sales_sequences',
    custom: false,
    meta: {
      multiple: true,
      url: null,
      choices: [
        {
          id: 39,
          text: 'Client validation test'
        },
        {
          id: 40,
          text: 'Sample'
        }
      ]
    }
  },
  {
    attribute: 'address',
    'default': true,
    label: 'Address',
    domType: 'dropdown',
    name: 'address',
    custom: false,
    meta: {
      tag: true,
      multiple: true
    }
  },
  {
    attribute: 'sales_account.business_type_id',
    'default': true,
    label: 'Business type',
    domType: 'dropdown',
    name: 'sales_account.business_type_id',
    custom: false,
    meta: {
      multiple: true,
      beta: true,
      choices_prefetch_url: '/selector/business_types',
      root: 'business_types',
      choices: [
        {
          id: 151,
          text: 'Analyst'
        },
        {
          id: 152,
          text: 'Competitor'
        },
        {
          id: 153,
          text: 'Customer'
        },
        {
          id: 154,
          text: 'Integrator'
        },
        {
          id: 155,
          text: 'Investor'
        },
        {
          id: 156,
          text: 'Partner'
        },
        {
          id: 157,
          text: 'Press'
        },
        {
          id: 158,
          text: 'Prospect'
        },
        {
          id: 159,
          text: 'Reseller'
        },
        {
          id: 160,
          text: 'Other'
        }
      ]
    }
  },
  {
    attribute: 'campaign_id',
    'default': true,
    label: 'Campaign',
    domType: 'dropdown',
    name: 'campaign_id',
    custom: false,
    meta: {
      multiple: true,
      choices: [
        {
          id: '-1002',
          text: {
            string: 'None'
          }
        }
      ]
    }
  },
  {
    attribute: 'city',
    'default': true,
    label: 'City',
    domType: 'dropdown',
    name: 'city',
    custom: false,
    meta: {
      tag: true,
      multiple: true
    }
  },
  {
    attribute: 'cf_city1',
    'default': false,
    label: 'City1',
    domType: 'dropdown',
    name: 'cf_city1',
    custom: false,
    meta: {
      multiple: true,
      choices: [
        {
          id: '-1002',
          text: {
            string: 'None'
          }
        },
        {
          id: 'Chennai',
          text: 'Chennai'
        },
        {
          id: 'NY',
          text: 'NY'
        }
      ]
    }
  },
  {
    attribute: 'deal.closed_date',
    'default': true,
    label: 'Closed date',
    domType: 'date',
    name: 'deal.closed_date',
    custom: false,
    meta: {
      beta: true
    }
  },
  {
    attribute: 'completed_sales_sequences',
    'default': true,
    label: 'Completed sales sequences',
    domType: 'multi_select',
    name: 'completed_sales_sequences',
    custom: false,
    meta: {
      multiple: true,
      url: null,
      choices: [
        {
          id: 39,
          text: 'Client validation test'
        },
        {
          id: 40,
          text: 'Sample'
        }
      ]
    }
  },
  {
    attribute: 'team_user_ids',
    'default': true,
    label: 'Contact team',
    domType: 'multi_select',
    name: 'team_user_ids',
    custom: false,
    meta: {
      multiple: true,
      beta: true,
      choices_prefetch_url: '/selector/owners',
      additional_choices: [
        {
          id: '-1001',
          text: 'common.me'
        }
      ],
      root: 'users',
      choices: [
        {
          id: '-1001',
          text: {
            string: 'Me'
          }
        },
        {
          id: 25,
          text: 'James',
          is_active: true
        },
        {
          id: 22,
          text: 'Jon',
          is_active: true
        }
      ]
    }
  },
  {
    attribute: 'country',
    'default': true,
    label: 'Country',
    domType: 'dropdown',
    name: 'country',
    custom: false,
    meta: {
      tag: true,
      multiple: true
    }
  },
  {
    attribute: 'cf_country1',
    'default': false,
    label: 'Country1',
    domType: 'dropdown',
    name: 'cf_country1',
    custom: false,
    meta: {
      multiple: true,
      choices: [
        {
          id: '-1002',
          text: {
            string: 'None'
          }
        },
        {
          id: 'India',
          text: 'India'
        },
        {
          id: 'USA',
          text: 'USA'
        }
      ]
    }
  },
  {
    attribute: 'created_at',
    'default': true,
    label: 'Created at',
    domType: 'date',
    name: 'created_at',
    custom: false,
    meta: {
      multiple: false,
      appendOptions: [
        [
          'before_three_months',
          'is_before',
          '-108'
        ],
        [
          'before_six_months',
          'is_before',
          '-109'
        ],
        [
          'before_an_year',
          'is_before',
          '-110'
        ]
      ]
    }
  },
  {
    attribute: 'creater_id',
    'default': true,
    label: 'Created by',
    domType: 'dropdown',
    name: 'creater_id',
    custom: false,
    meta: {
      multiple: true,
      choices: [
        {
          id: '-1001',
          text: {
            string: 'Me'
          }
        },
        {
          id: '0',
          text: {
            string: 'System'
          }
        },
        {
          id: 25,
          text: 'James',
          is_active: true
        },
        {
          id: 22,
          text: 'Jon',
          is_active: true
        }
      ]
    }
  },
  {
    attribute: 'cf_custom_field_1',
    'default': false,
    label: 'custom field 1',
    domType: 'dropdown',
    name: 'cf_custom_field_1',
    custom: false,
    meta: {
      tag: true,
      multiple: true
    }
  },
  {
    attribute: 'deal.deal_pipeline_id',
    'default': true,
    label: 'Deal pipeline',
    domType: 'dependent_dropdown',
    name: 'deal.deal_pipeline_id',
    custom: false,
    meta: {
      beta: true,
      child: 'deal.deal_stage_id',
      choices_prefetch_url: '/selector/deal_pipelines',
      root: 'deal_pipelines',
      choices: [
        {
          id: 16,
          text: 'Default Pipeline'
        }
      ]
    }
  },
  {
    attribute: 'deal.deal_stage_id',
    'default': true,
    label: 'Deal stage',
    domType: 'dropdown',
    name: 'deal.deal_stage_id',
    custom: false,
    meta: {
      multiple: true,
      beta: true,
      parent: 'deal.deal_pipeline_id',
      choices_prefetch_url: '/selector/deal_stages',
      root: 'deal_stages',
      choices: [
        {
          id: 106,
          text: 'New'
        },
        {
          id: 107,
          text: 'Follow-up'
        },
        {
          id: 108,
          text: 'Under review'
        },
        {
          id: 109,
          text: 'Demo'
        },
        {
          id: 110,
          text: 'Negotiation'
        },
        {
          id: 111,
          text: 'Won'
        },
        {
          id: 112,
          text: 'Lost'
        },
        {
          id: 141,
          text: 'שרה'
        }
      ]
    }
  },
  {
    attribute: 'email_status',
    'default': true,
    label: 'Email status',
    domType: 'dropdown',
    name: 'email_status',
    custom: false,
    meta: {
      beta: true,
      multiple: true,
      additional_choices: [
        {
          id: '-1002',
          text: 'common.none'
        },
        {
          id: 1,
          text: 'Active'
        },
        {
          id: 2,
          text: 'Bounced'
        },
        {
          id: 3,
          text: 'Invalid'
        }
      ],
      choices: [
        {
          id: '-1002',
          text: {
            string: 'None'
          }
        },
        {
          id: 1,
          text: 'Active'
        },
        {
          id: 2,
          text: 'Bounced'
        },
        {
          id: 3,
          text: 'Invalid'
        }
      ]
    }
  },
  {
    attribute: 'contact_email.email',
    'default': true,
    label: 'Emails',
    domType: 'dropdown',
    name: 'contact_email.email',
    custom: false,
    meta: {
      beta: true,
      multiple: true,
      tag: true,
      url: '/suggest/contact/emails',
      email: true
    }
  },
  {
    attribute: 'contact_event_name',
    'default': true,
    label: 'Events',
    domType: 'nested-dropdown',
    name: 'contact_event_name',
    custom: false,
    meta: {
      beta: true,
      multiple: true,
      tag: true,
      url: {
        event_name: 'search/auto_suggest/event_names'
      }
    }
  },
  {
    attribute: 'deal.expected_close',
    'default': true,
    label: 'Expected close date',
    domType: 'date',
    name: 'deal.expected_close',
    custom: false,
    meta: {
      beta: true
    }
  },
  {
    attribute: 'first_name',
    'default': true,
    label: 'First name',
    domType: 'dropdown',
    name: 'first_name',
    custom: false,
    meta: {
      multiple: true,
      tag: true,
      url: '/suggest/contact/first_name'
    }
  },
  {
    attribute: 'import_csv_id',
    'default': true,
    label: 'Import label',
    domType: 'multi_select',
    name: 'import_csv_id',
    custom: false,
    meta: {
      beta: true,
      multiple: true,
      tag: true,
      url: '/search/auto_suggest/contact/import_labels'
    }
  },
  {
    attribute: 'sales_account.industry_type_id',
    'default': true,
    label: 'Industry type',
    domType: 'dropdown',
    name: 'sales_account.industry_type_id',
    custom: false,
    meta: {
      multiple: true,
      beta: true,
      choices_prefetch_url: '/selector/industry_types',
      root: 'industry_types',
      choices: [
        {
          id: 1021,
          text: 'Accounting'
        },
        {
          id: 1022,
          text: 'Advertising'
        },
        {
          id: 1023,
          text: 'Aerospace'
        }
      ]
    }
  },
  {
    attribute: 'deleted',
    'default': true,
    label: 'Is Deleted',
    domType: 'checkbox',
    name: 'deleted',
    custom: false,
    meta: {
      beta: true,
      deleted_records: true,
      hide: true
    }
  },
  {
    attribute: 'job_title',
    'default': true,
    label: 'Job title',
    domType: 'dropdown',
    name: 'job_title',
    custom: false,
    meta: {
      tag: true,
      multiple: true
    }
  },
  {
    attribute: 'keyword',
    'default': true,
    label: 'Keyword',
    domType: 'dropdown',
    name: 'keyword',
    custom: false,
    meta: {
      multiple: true,
      tag: true,
      url: '/suggest/contact/keyword'
    }
  },
  {
    attribute: 'last_contacted_via_sales_activity',
    'default': true,
    label: 'Last activity date',
    domType: 'date',
    name: 'last_contacted_via_sales_activity',
    custom: false,
    meta: {
      multiple: false
    }
  },
  {
    attribute: 'last_contacted_sales_activity_mode',
    'default': true,
    label: 'Last activity type',
    domType: 'dropdown',
    name: 'last_contacted_sales_activity_mode',
    custom: false,
    meta: {
      multiple: true,
      choices: [
        {
          id: '-1002',
          text: {
            string: 'None'
          }
        },
        {
          id: 180,
          text: 'Phone'
        },
        {
          id: 181,
          text: 'Meeting'
        },
        {
          id: 182,
          text: 'Task'
        },
        {
          id: 183,
          text: 'Email'
        },
        {
          id: 184,
          text: 'SMS Outgoing'
        },
        {
          id: 185,
          text: 'Reminder'
        },
        {
          id: 186,
          text: 'SMS Incoming'
        }
      ]
    }
  },
  {
    attribute: 'last_assigned_at',
    'default': true,
    label: 'Last assigned at',
    domType: 'date',
    name: 'last_assigned_at',
    custom: false,
    meta: {
      multiple: false
    }
  },
  {
    attribute: 'last_contacted_mode',
    'default': true,
    label: 'Last contacted mode',
    domType: 'dropdown',
    name: 'last_contacted_mode',
    custom: false,
    meta: {
      multiple: true,
      choices: [
        {
          id: '-1002',
          text: {
            string: 'None'
          }
        },
        {
          id: 1,
          text: 'Replied'
        },
        {
          id: 2,
          text: 'No Reply'
        },
        {
          id: 3,
          text: 'Incoming Call'
        },
        {
          id: 4,
          text: 'Outgoing Call'
        },
        {
          id: 5,
          text: 'Opened but No Reply'
        },
        {
          id: 6,
          text: 'Chat Conversation'
        },
        {
          id: 7,
          text: 'Sales Activity'
        },
        {
          id: 8,
          text: 'SMS'
        }
      ]
    }
  },
  {
    attribute: 'last_contacted',
    'default': true,
    label: 'Last contacted time',
    domType: 'date',
    name: 'last_contacted',
    custom: false,
    meta: {
      multiple: false
    }
  },
  {
    attribute: 'last_name',
    'default': true,
    label: 'Last name',
    domType: 'dropdown',
    name: 'last_name',
    custom: false,
    meta: {
      multiple: true,
      tag: true,
      url: '/suggest/contact/last_name'
    }
  },
  {
    attribute: 'last_seen',
    'default': true,
    label: 'Last seen on web',
    domType: 'date',
    name: 'last_seen',
    custom: false,
    meta: {
      multiple: false
    }
  },
  {
    attribute: 'lifecycle_stage_id',
    'default': true,
    label: 'Lifecycle stage',
    domType: 'dropdown',
    name: 'lifecycle_stage_id',
    custom: false,
    meta: {
      multiple: true,
      choices: [
        {
          id: '-1002',
          text: {
            string: 'None'
          }
        },
        {
          id: 1000002752,
          text: 'Lead'
        },
        {
          id: 1000002753,
          text: 'Sales Qualified Lead'
        },
        {
          id: 1000002754,
          text: 'Customer'
        }
      ]
    }
  },
  {
    attribute: 'lost_reason_id',
    'default': true,
    label: 'Lost reason',
    domType: 'dropdown',
    name: 'lost_reason_id',
    custom: false,
    meta: {
      multiple: true,
      choices: [
        {
          id: '-1002',
          text: {
            string: 'None'
          }
        },
        {
          id: 1000002755,
          text: 'Junk Lead'
        },
        {
          id: 1000002756,
          text: 'Not able to reach'
        },
        {
          id: 1000002757,
          text: 'Not interested'
        },
        {
          id: 1000002758,
          text: 'Budget'
        },
        {
          id: 1000002759,
          text: 'Lost to competitor'
        }
      ]
    }
  },
  {
    attribute: 'medium',
    'default': true,
    label: 'Medium',
    domType: 'dropdown',
    name: 'medium',
    custom: false,
    meta: {
      tag: true,
      multiple: true
    }
  },
  {
    attribute: 'mobile_number',
    'default': true,
    label: 'Mobile',
    domType: 'dropdown',
    name: 'mobile_number',
    custom: false,
    meta: {
      tag: true,
      multiple: true
    }
  },
  {
    attribute: 'display_name',
    'default': true,
    label: 'Name',
    domType: 'dropdown',
    name: 'display_name',
    custom: false,
    meta: {
      beta: true,
      multiple: true,
      tag: true,
      url: '/suggest/contact/name'
    }
  },
  {
    attribute: 'open_deals_amount',
    'default': true,
    label: 'Open deals amount',
    domType: 'number',
    name: 'open_deals_amount',
    custom: false,
    meta: {
      beta: true
    }
  },
  {
    attribute: 'deal.probability',
    'default': true,
    label: 'Probability (%)',
    domType: 'number',
    name: 'deal.probability',
    custom: false,
    meta: {
      beta: true
    }
  },
  {
    attribute: 'owner_id',
    'default': true,
    label: 'Sales owner',
    domType: 'dropdown',
    name: 'owner_id',
    custom: false,
    meta: {
      multiple: true,
      choices: [
        {
          id: '-1001',
          text: {
            string: 'Me'
          }
        },
        {
          id: '-1002',
          text: {
            string: 'Unassigned'
          }
        },
        {
          id: 25,
          text: 'James',
          is_active: true
        },
        {
          id: 22,
          text: 'Jon',
          is_active: true
        }
      ]
    }
  },
  {
    attribute: 'lead_score',
    'default': true,
    label: 'Score',
    domType: 'number',
    name: 'lead_score',
    custom: false,
    meta: {
      multiple: false
    }
  },
  {
    attribute: 'lead_source_id',
    'default': true,
    label: 'Source',
    domType: 'dropdown',
    name: 'lead_source_id',
    custom: false,
    meta: {
      multiple: true,
      choices: [
        {
          id: '-1002',
          text: {
            string: 'None'
          }
        },
        {
          id: 211,
          text: 'Web'
        },
        {
          id: 212,
          text: 'Organic Search'
        },
        {
          id: 213,
          text: 'Email'
        },
        {
          id: 214,
          text: 'Phone'
        },
        {
          id: 215,
          text: 'Chat'
        },
        {
          id: 216,
          text: 'Web Form'
        },
        {
          id: 217,
          text: 'Referral'
        },
        {
          id: 218,
          text: 'Direct'
        },
        {
          id: 219,
          text: 'Paid Search'
        },
        {
          id: 220,
          text: 'Blogs'
        },
        {
          id: 221,
          text: 'Social Media'
        },
        {
          id: 222,
          text: 'Display Ads'
        },
        {
          id: 223,
          text: 'Events'
        },
        {
          id: 224,
          text: 'Webinar'
        }
      ]
    }
  },
  {
    attribute: 'state',
    'default': true,
    label: 'State',
    domType: 'dropdown',
    name: 'state',
    custom: false,
    meta: {
      tag: true,
      multiple: true
    }
  },
  {
    attribute: 'contact_status_id',
    'default': true,
    label: 'Status',
    domType: 'dropdown',
    name: 'contact_status_id',
    custom: false,
    meta: {
      multiple: true,
      choices: [
        {
          id: '-1002',
          text: {
            string: 'None'
          }
        },
        {
          id: 130,
          text: 'New'
        },
        {
          id: 131,
          text: 'Contacted'
        },
        {
          id: 132,
          text: 'Interested'
        },
        {
          id: 133,
          text: 'Unqualified'
        },
        {
          id: 134,
          text: 'Qualified'
        },
        {
          id: 135,
          text: 'Negotiation'
        },
        {
          id: 136,
          text: 'Lost'
        },
        {
          id: 137,
          text: 'Won'
        },
        {
          id: 138,
          text: 'Churned'
        }
      ]
    }
  },
  {
    attribute: 'subscription_status',
    'default': true,
    label: 'Subscription status',
    domType: 'dropdown',
    name: 'subscription_status',
    custom: false,
    meta: {
      multiple: true,
      choices: [
        {
          id: '-1002',
          text: {
            string: 'None'
          }
        },
        {
          id: 0,
          text: 'Unsubscribed'
        },
        {
          id: 1,
          text: 'Subscribed'
        },
        {
          id: 2,
          text: 'Not subscribed'
        },
        {
          id: 3,
          text: 'Reported as spam'
        },
        {
          id: 4,
          text: 'Bounced'
        }
      ]
    }
  },
  {
    attribute: 'tag_ids',
    'default': true,
    label: 'Tags',
    domType: 'auto_complete',
    name: 'tag_ids',
    custom: false,
    meta: {
      beta: true,
      lookup_prefetch_url: '/options_prefetch.json?include=tag&q[]=',
      multiple: true,
      tag: true,
      url: '/search/auto_suggest/tags?&tag_type=contact'
    }
  },
  {
    attribute: 'team_id',
    'default': true,
    label: 'Team',
    domType: 'dropdown',
    name: 'team_id',
    custom: false,
    meta: {
      multiple: true,
      beta: true,
      choices_prefetch_url: '/selector/teams',
      root: 'teams',
      choices: [
        {
          id: 3,
          text: 'Sales 1'
        },
        {
          id: 4,
          text: 'Sales 2'
        }
      ]
    }
  },
  {
    attribute: 'territory_id',
    'default': true,
    label: 'Territory',
    domType: 'dropdown',
    name: 'territory_id',
    custom: false,
    meta: {
      multiple: true,
      choices: [
        {
          id: '-1003',
          text: {
            string: 'My Territories'
          }
        },
        {
          id: '-1002',
          text: {
            string: 'Unassigned'
          }
        },
        {
          id: 2,
          text: 'EU'
        }
      ]
    }
  },
  {
    attribute: 'time_zone',
    'default': true,
    label: 'Time zone',
    domType: 'string_dropdown',
    name: 'time_zone',
    custom: false,
    meta: {
      multiple: true,
      choices: [
        {
          id: 'American Samoa',
          text: '(GMT-11:00) American Samoa'
        },
        {
          id: 'International Date Line West',
          text: '(GMT-11:00) International Date Line West'
        },
        {
          id: 'Midway Island',
          text: '(GMT-11:00) Midway Island'
        },
        {
          id: 'Hawaii',
          text: '(GMT-10:00) Hawaii'
        },
        {
          id: 'Alaska',
          text: '(GMT-08:00) Alaska'
        },
        {
          id: 'Pacific Time (US & Canada)',
          text: '(GMT-07:00) Pacific Time (US & Canada)'
        },
        {
          id: 'Tijuana',
          text: '(GMT-07:00) Tijuana'
        },
        {
          id: 'Arizona',
          text: '(GMT-07:00) Arizona'
        },
        {
          id: 'Chihuahua',
          text: '(GMT-06:00) Chihuahua'
        },
        {
          id: 'Mazatlan',
          text: '(GMT-06:00) Mazatlan'
        },
        {
          id: 'Mountain Time (US & Canada)',
          text: '(GMT-06:00) Mountain Time (US & Canada)'
        },
        {
          id: 'Central America',
          text: '(GMT-06:00) Central America'
        },
        {
          id: 'Central Time (US & Canada)',
          text: '(GMT-05:00) Central Time (US & Canada)'
        },
        {
          id: 'Guadalajara',
          text: '(GMT-05:00) Guadalajara'
        },
        {
          id: 'Mexico City',
          text: '(GMT-05:00) Mexico City'
        },
        {
          id: 'Monterrey',
          text: '(GMT-05:00) Monterrey'
        },
        {
          id: 'Saskatchewan',
          text: '(GMT-06:00) Saskatchewan'
        },
        {
          id: 'Bogota',
          text: '(GMT-05:00) Bogota'
        },
        {
          id: 'Eastern Time (US & Canada)',
          text: '(GMT-04:00) Eastern Time (US & Canada)'
        },
        {
          id: 'Indiana (East)',
          text: '(GMT-04:00) Indiana (East)'
        },
        {
          id: 'Lima',
          text: '(GMT-05:00) Lima'
        },
        {
          id: 'Quito',
          text: '(GMT-05:00) Quito'
        },
        {
          id: 'Atlantic Time (Canada)',
          text: '(GMT-03:00) Atlantic Time (Canada)'
        },
        {
          id: 'Caracas',
          text: '(GMT-04:00) Caracas'
        },
        {
          id: 'Georgetown',
          text: '(GMT-04:00) Georgetown'
        },
        {
          id: 'La Paz',
          text: '(GMT-04:00) La Paz'
        },
        {
          id: 'Santiago',
          text: '(GMT-04:00) Santiago'
        },
        {
          id: 'Newfoundland',
          text: '(GMT-02:30) Newfoundland'
        },
        {
          id: 'Brasilia',
          text: '(GMT-03:00) Brasilia'
        },
        {
          id: 'Buenos Aires',
          text: '(GMT-03:00) Buenos Aires'
        },
        {
          id: 'Greenland',
          text: '(GMT-02:00) Greenland'
        },
        {
          id: 'Mid-Atlantic',
          text: '(GMT-02:00) Mid-Atlantic'
        },
        {
          id: 'Azores',
          text: '(GMT+00:00) Azores'
        },
        {
          id: 'Cape Verde Is.',
          text: '(GMT-01:00) Cape Verde Is.'
        },
        {
          id: 'Edinburgh',
          text: '(GMT+01:00) Edinburgh'
        },
        {
          id: 'Lisbon',
          text: '(GMT+01:00) Lisbon'
        },
        {
          id: 'London',
          text: '(GMT+01:00) London'
        },
        {
          id: 'Monrovia',
          text: '(GMT+00:00) Monrovia'
        },
        {
          id: 'UTC',
          text: '(GMT+00:00) UTC'
        },
        {
          id: 'Amsterdam',
          text: '(GMT+02:00) Amsterdam'
        },
        {
          id: 'Belgrade',
          text: '(GMT+02:00) Belgrade'
        },
        {
          id: 'Berlin',
          text: '(GMT+02:00) Berlin'
        },
        {
          id: 'Bern',
          text: '(GMT+02:00) Bern'
        },
        {
          id: 'Bratislava',
          text: '(GMT+02:00) Bratislava'
        },
        {
          id: 'Brussels',
          text: '(GMT+02:00) Brussels'
        },
        {
          id: 'Budapest',
          text: '(GMT+02:00) Budapest'
        },
        {
          id: 'Casablanca',
          text: '(GMT+01:00) Casablanca'
        },
        {
          id: 'Copenhagen',
          text: '(GMT+02:00) Copenhagen'
        },
        {
          id: 'Dublin',
          text: '(GMT+01:00) Dublin'
        },
        {
          id: 'Ljubljana',
          text: '(GMT+02:00) Ljubljana'
        },
        {
          id: 'Madrid',
          text: '(GMT+02:00) Madrid'
        },
        {
          id: 'Paris',
          text: '(GMT+02:00) Paris'
        },
        {
          id: 'Prague',
          text: '(GMT+02:00) Prague'
        },
        {
          id: 'Rome',
          text: '(GMT+02:00) Rome'
        },
        {
          id: 'Sarajevo',
          text: '(GMT+02:00) Sarajevo'
        },
        {
          id: 'Skopje',
          text: '(GMT+02:00) Skopje'
        },
        {
          id: 'Stockholm',
          text: '(GMT+02:00) Stockholm'
        },
        {
          id: 'Vienna',
          text: '(GMT+02:00) Vienna'
        },
        {
          id: 'Warsaw',
          text: '(GMT+02:00) Warsaw'
        },
        {
          id: 'West Central Africa',
          text: '(GMT+01:00) West Central Africa'
        },
        {
          id: 'Zagreb',
          text: '(GMT+02:00) Zagreb'
        },
        {
          id: 'Athens',
          text: '(GMT+03:00) Athens'
        },
        {
          id: 'Bucharest',
          text: '(GMT+03:00) Bucharest'
        },
        {
          id: 'Cairo',
          text: '(GMT+02:00) Cairo'
        },
        {
          id: 'Harare',
          text: '(GMT+02:00) Harare'
        },
        {
          id: 'Helsinki',
          text: '(GMT+03:00) Helsinki'
        },
        {
          id: 'Jerusalem',
          text: '(GMT+03:00) Jerusalem'
        },
        {
          id: 'Kyiv',
          text: '(GMT+03:00) Kyiv'
        },
        {
          id: 'Pretoria',
          text: '(GMT+02:00) Pretoria'
        },
        {
          id: 'Riga',
          text: '(GMT+03:00) Riga'
        },
        {
          id: 'Sofia',
          text: '(GMT+03:00) Sofia'
        },
        {
          id: 'Tallinn',
          text: '(GMT+03:00) Tallinn'
        },
        {
          id: 'Vilnius',
          text: '(GMT+03:00) Vilnius'
        },
        {
          id: 'Baghdad',
          text: '(GMT+03:00) Baghdad'
        },
        {
          id: 'Istanbul',
          text: '(GMT+03:00) Istanbul'
        },
        {
          id: 'Kuwait',
          text: '(GMT+03:00) Kuwait'
        },
        {
          id: 'Minsk',
          text: '(GMT+03:00) Minsk'
        },
        {
          id: 'Moscow',
          text: '(GMT+03:00) Moscow'
        },
        {
          id: 'Nairobi',
          text: '(GMT+03:00) Nairobi'
        },
        {
          id: 'Riyadh',
          text: '(GMT+03:00) Riyadh'
        },
        {
          id: 'St. Petersburg',
          text: '(GMT+03:00) St. Petersburg'
        },
        {
          id: 'Volgograd',
          text: '(GMT+03:00) Volgograd'
        },
        {
          id: 'Tehran',
          text: '(GMT+04:30) Tehran'
        },
        {
          id: 'Abu Dhabi',
          text: '(GMT+04:00) Abu Dhabi'
        },
        {
          id: 'Baku',
          text: '(GMT+04:00) Baku'
        },
        {
          id: 'Muscat',
          text: '(GMT+04:00) Muscat'
        },
        {
          id: 'Tbilisi',
          text: '(GMT+04:00) Tbilisi'
        },
        {
          id: 'Yerevan',
          text: '(GMT+04:00) Yerevan'
        },
        {
          id: 'Kabul',
          text: '(GMT+04:30) Kabul'
        },
        {
          id: 'Ekaterinburg',
          text: '(GMT+05:00) Ekaterinburg'
        },
        {
          id: 'Islamabad',
          text: '(GMT+05:00) Islamabad'
        },
        {
          id: 'Karachi',
          text: '(GMT+05:00) Karachi'
        },
        {
          id: 'Tashkent',
          text: '(GMT+05:00) Tashkent'
        },
        {
          id: 'Chennai',
          text: '(GMT+05:30) Chennai'
        },
        {
          id: 'Kolkata',
          text: '(GMT+05:30) Kolkata'
        },
        {
          id: 'Mumbai',
          text: '(GMT+05:30) Mumbai'
        },
        {
          id: 'New Delhi',
          text: '(GMT+05:30) New Delhi'
        },
        {
          id: 'Sri Jayawardenepura',
          text: '(GMT+05:30) Sri Jayawardenepura'
        },
        {
          id: 'Kathmandu',
          text: '(GMT+05:45) Kathmandu'
        },
        {
          id: 'Almaty',
          text: '(GMT+06:00) Almaty'
        },
        {
          id: 'Astana',
          text: '(GMT+06:00) Astana'
        },
        {
          id: 'Dhaka',
          text: '(GMT+06:00) Dhaka'
        },
        {
          id: 'Urumqi',
          text: '(GMT+06:00) Urumqi'
        },
        {
          id: 'Rangoon',
          text: '(GMT+06:30) Rangoon'
        },
        {
          id: 'Bangkok',
          text: '(GMT+07:00) Bangkok'
        },
        {
          id: 'Hanoi',
          text: '(GMT+07:00) Hanoi'
        },
        {
          id: 'Jakarta',
          text: '(GMT+07:00) Jakarta'
        },
        {
          id: 'Krasnoyarsk',
          text: '(GMT+07:00) Krasnoyarsk'
        },
        {
          id: 'Novosibirsk',
          text: '(GMT+07:00) Novosibirsk'
        },
        {
          id: 'Beijing',
          text: '(GMT+08:00) Beijing'
        },
        {
          id: 'Chongqing',
          text: '(GMT+08:00) Chongqing'
        },
        {
          id: 'Hong Kong',
          text: '(GMT+08:00) Hong Kong'
        },
        {
          id: 'Irkutsk',
          text: '(GMT+08:00) Irkutsk'
        },
        {
          id: 'Kuala Lumpur',
          text: '(GMT+08:00) Kuala Lumpur'
        },
        {
          id: 'Perth',
          text: '(GMT+08:00) Perth'
        },
        {
          id: 'Singapore',
          text: '(GMT+08:00) Singapore'
        },
        {
          id: 'Taipei',
          text: '(GMT+08:00) Taipei'
        },
        {
          id: 'Ulaan Bataar',
          text: '(GMT+08:00) Ulaan Bataar'
        },
        {
          id: 'Osaka',
          text: '(GMT+09:00) Osaka'
        },
        {
          id: 'Sapporo',
          text: '(GMT+09:00) Sapporo'
        },
        {
          id: 'Seoul',
          text: '(GMT+09:00) Seoul'
        },
        {
          id: 'Tokyo',
          text: '(GMT+09:00) Tokyo'
        },
        {
          id: 'Yakutsk',
          text: '(GMT+09:00) Yakutsk'
        },
        {
          id: 'Adelaide',
          text: '(GMT+09:30) Adelaide'
        },
        {
          id: 'Darwin',
          text: '(GMT+09:30) Darwin'
        },
        {
          id: 'Brisbane',
          text: '(GMT+10:00) Brisbane'
        },
        {
          id: 'Canberra',
          text: '(GMT+10:00) Canberra'
        },
        {
          id: 'Guam',
          text: '(GMT+10:00) Guam'
        },
        {
          id: 'Hobart',
          text: '(GMT+10:00) Hobart'
        },
        {
          id: 'Melbourne',
          text: '(GMT+10:00) Melbourne'
        },
        {
          id: 'Port Moresby',
          text: '(GMT+10:00) Port Moresby'
        },
        {
          id: 'Sydney',
          text: '(GMT+10:00) Sydney'
        },
        {
          id: 'Vladivostok',
          text: '(GMT+10:00) Vladivostok'
        },
        {
          id: 'Magadan',
          text: '(GMT+11:00) Magadan'
        },
        {
          id: 'New Caledonia',
          text: '(GMT+11:00) New Caledonia'
        },
        {
          id: 'Solomon Is.',
          text: '(GMT+11:00) Solomon Is.'
        },
        {
          id: 'Auckland',
          text: '(GMT+12:00) Auckland'
        },
        {
          id: 'Fiji',
          text: '(GMT+12:00) Fiji'
        },
        {
          id: 'Kamchatka',
          text: '(GMT+12:00) Kamchatka'
        },
        {
          id: 'Marshall Is.',
          text: '(GMT+12:00) Marshall Is.'
        },
        {
          id: 'Wellington',
          text: '(GMT+12:00) Wellington'
        },
        {
          id: 'Nuku\'alofa',
          text: '(GMT+13:00) Nuku\'alofa'
        },
        {
          id: 'Samoa',
          text: '(GMT+13:00) Samoa'
        },
        {
          id: 'Tokelau Is.',
          text: '(GMT+13:00) Tokelau Is.'
        }
      ]
    }
  },
  {
    attribute: 'updated_at',
    'default': true,
    label: 'Updated at',
    domType: 'date',
    name: 'updated_at',
    custom: false,
    meta: {
      multiple: false
    }
  },
  {
    attribute: 'updater_id',
    'default': true,
    label: 'Updated by',
    domType: 'dropdown',
    name: 'updater_id',
    custom: false,
    meta: {
      multiple: true,
      choices: [
        {
          id: '-1001',
          text: {
            string: 'Me'
          }
        },
        {
          id: '-1002',
          text: {
            string: 'Unassigned'
          }
        },
        {
          id: 25,
          text: 'James',
          is_active: true
        },
        {
          id: 22,
          text: 'Jon',
          is_active: true
        }
      ]
    }
  },
  {
    attribute: 'web_form_ids',
    'default': true,
    label: 'Web forms',
    domType: 'multi_select',
    name: 'web_form_ids',
    custom: false,
    meta: {
      multiple: true,
      choices: []
    }
  },
  {
    attribute: 'won_deals_amount',
    'default': true,
    label: 'Won deals amount',
    domType: 'number',
    name: 'won_deals_amount',
    custom: false,
    meta: {
      beta: true
    }
  },
  {
    attribute: 'work_number',
    'default': true,
    label: 'Work',
    domType: 'dropdown',
    name: 'work_number',
    custom: false,
    meta: {
      tag: true,
      multiple: true
    }
  },
  {
    attribute: 'zipcode',
    'default': true,
    label: 'Zipcode',
    domType: 'dropdown',
    name: 'zipcode',
    custom: false,
    meta: {
      multiple: true,
      tag: true,
      url: '/suggest/contact/zipcode'
    }
  }
];

var copy = null;
Tests:
Classic
copy = JSON.parse(JSON.stringify(FILTER_OPTIONS))
New
copy = structuredClone(FILTER_OPTIONS)
Run results for: Clone test - JSON parse and standardClone check

Classic

New
