Run results for: Merge array test 2

Run details:

User agent: Mozilla/5.0 (X11; Fedora; Fedora; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.86 Safari/537.36

Browser: Chrome 73

Operating system: Fedora

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
1	3022821.8 Ops/sec
2	767366.7 Ops/sec
3	1155467.6 Ops/sec

Script Preparation code:

options = [
  {
    description: "Pack Toit Ouvrant Panoramique Electrique",
    group_name: "exterieur",
    id_equipement: 98327,
    option_flag: 1,
    pack_content: [98319, 98216],
    pack_flag: 1,
    prix_ttc: 1400,
    _id: "5bae447a09a33a0342646f9b"
  },
  {
    description: "Rouge Ultimate",
    group_name: "exterieur",
    id_equipement: 98301,
    option_flag: 1,
    pack_content: [],
    pack_flag: 0,
    prix_ttc: 830,
    _id: "5bae41b209a33a0342646e5e"
  },
  {
  	description: "Roue galette",
    group_name: "securite",
    id_equipement: 98265,
    option_flag: 1,
    pack_content: [],
    pack_flag: 0,
    prix_ttc: 100,
    _id: "5bae446b09a33a0342646f98"
  },
  {
    description: "Pack Toit Ouvrant Panoramique Electrique",
    group_name: "exterieur",
    id_equipement: 98327,
    option_flag: 1,
    pack_content: [98319, 98216],
    pack_flag: 1,
    prix_ttc: 1400,
    _id: "5bae447a09a33a0342646f9b"
  },
  {
    description: "Rouge Ultimate",
    group_name: "exterieur",
    id_equipement: 98301,
    option_flag: 1,
    pack_content: [],
    pack_flag: 0,
    prix_ttc: 830,
    _id: "5bae41b209a33a0342646e5e"
  },
  {
  	description: "Roue galette",
    group_name: "securite",
    id_equipement: 98265,
    option_flag: 1,
    pack_content: [],
    pack_flag: 0,
    prix_ttc: 100,
    _id: "5bae446b09a33a0342646f98"
  },
  {
    description: "Pack Toit Ouvrant Panoramique Electrique",
    group_name: "exterieur",
    id_equipement: 98327,
    option_flag: 1,
    pack_content: [98319, 98216],
    pack_flag: 1,
    prix_ttc: 1400,
    _id: "5bae447a09a33a0342646f9b"
  },
  {
    description: "Rouge Ultimate",
    group_name: "exterieur",
    id_equipement: 98301,
    option_flag: 1,
    pack_content: [],
    pack_flag: 0,
    prix_ttc: 830,
    _id: "5bae41b209a33a0342646e5e"
  },
  {
  	description: "Roue galette",
    group_name: "securite",
    id_equipement: 98265,
    option_flag: 1,
    pack_content: [],
    pack_flag: 0,
    prix_ttc: 100,
    _id: "5bae446b09a33a0342646f98"
  }
 ];

Tests:

1
const final = options.map(ele => ele.description).filter((ele, i, arr) => arr.indexOf(ele) === i);
2
const final = options.reduce((acc, cur) => acc.some(x=> (x.description === cur.description)) ? acc : acc.concat(cur), []);
3
const toObj = {}; options.forEach((o) => toObj[o.description] = o); const final = Object.values(toObj);