Run results for: Lodash test-01

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36

Browser: Chrome 81

Operating system: Mac OS X 10.14.5

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
withlodasd	985919.1 Ops/sec
native	607961.1 Ops/sec

HTML Preparation code:

https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.15/lodash.core.js

Script Preparation code:

var nestedArray = [
  {
    sectionTitle: "Section title",
    groups: [
      {
        title: "Group title",
        icon: "Group icon",
        links: [
          {
            text: "Link 1 text",
            url: "Link 1 url"
          },
          {
            text: "Link 1 text",
            url: "Link 1 url"
          }
        ]
      }
    ]
  },
  {
    sectionTitle: "Section title 2",
    groups: [
      {
        title: "Group title 2",
        icon: "Group icon 2",
        links: [
          {
            text: "Link 1 text 2",
            url: "Link 1 url 2"
          },
          {
            text: "Link 1 text 2",
            url: "Link 1 url 2"
          }
        ]
      }
    ]
  }
];

Tests:

withlodasd
_.flatMap( _.flatMap(nestedArray, item => item.groups), item => item.links.map(link => link.url) )
native
nestedArray.map(item => item.groups.map(group => group.links.map(link => link.url))).flat(2)

Run results for: Lodash test-01

withlodasd

native