Run results for: Lodash omit vs es omit vs compiled omit vs rest and delete omit vs babel

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.82 Safari/537.36

Browser: Chrome 93

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Lodash	486282.3 Ops/sec
es omit	1320568.9 Ops/sec
compiled omit	974613.6 Ops/sec
rest and delete omit	2121455.5 Ops/sec
babel	787476.4 Ops/sec

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>
<script src=''>

</script>

​x
 
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>
<script src=''>
​
</script>

Script Preparation code:

var omit1 = (originalObj = {}, keysToOmit = []) =>
    Object.fromEntries(
        Object.entries(originalObj)
        .filter(([key]) => !keysToOmit.includes(key))
    )

var omit2 = new Function('obj', 'if (!obj) return {}; const { a, d, i, ...res } = obj; return res;');

var omit3 = (originalObject = {}, keysToOmit = []) => {  
    const clonedObject = { ...originalObject };              
    for (const path of keysToOmit) {                
      delete clonedObject[path]       
    }           
    return clonedObject;
}

function omit4(obj, keys) {
  var target = {};
  for (var i in obj) {
    if (keys.indexOf(i) >= 0) continue;
    if (!Object.prototype.hasOwnProperty.call(obj, i)) continue;
    target[i] = obj[i];
  }
  return target;
}

 
var omit1 = (originalObj = {}, keysToOmit = []) =>    Object.fromEntries(        Object.entries(originalObj)        .filter(([key]) => !keysToOmit.includes(key))    )​var omit2 = new Function('obj', 'if (!obj) return {}; const { a, d, i, ...res } = obj; return res;');​var omit3 = (originalObject = {}, keysToOmit = []) => {      const clonedObject = { ...originalObject };                  for (const path of keysToOmit) {                      delete clonedObject[path]           }               return clonedObject;}​function omit4(obj, keys) {  var target = {};  for (var i in obj) {    if (keys.indexOf(i) >= 0) continue;    if (!Object.prototype.hasOwnProperty.call(obj, i)) continue;    target[i] = obj[i];  }  return target;}​

Tests:

Lodash

const obj = {
  a:1,
  b:1,
  c:1,
  d:1,
  e:1,
  f:1,
  g:1,
  h:1,
  i:1,
}

const n = _.omit(obj, ['a','d','i']);

 
const obj = {  a:1,  b:1,  c:1,  d:1,  e:1,  f:1,  g:1,  h:1,  i:1,}​const n = _.omit(obj, ['a','d','i']);

es omit

const obj = {
  a:1,
  b:1,
  c:1,
  d:1,
  e:1,
  f:1,
  g:1,
  h:1,
  i:1,
}


const n = omit1(obj, ['a','d','i']);

 
const obj = {  a:1,  b:1,  c:1,  d:1,  e:1,  f:1,  g:1,  h:1,  i:1,}​​const n = omit1(obj, ['a','d','i']);

compiled omit

const obj = {
  a:1,
  b:1,
  c:1,
  d:1,
  e:1,
  f:1,
  g:1,
  h:1,
  i:1,
}


const n = omit2(obj, ['a','d','i']);

 
const obj = {  a:1,  b:1,  c:1,  d:1,  e:1,  f:1,  g:1,  h:1,  i:1,}​​const n = omit2(obj, ['a','d','i']);

rest and delete omit
const obj = { a:1, b:1, c:1, d:1, e:1, f:1, g:1, h:1, i:1, } const n = omit3(obj, ['a','d','i']);
const obj = {
a:1,
b:1,
c:1,
d:1,
e:1,
f:1,
g:1,
h:1,
i:1,
}

const n = omit3(obj, ['a','d','i']);

babel

const obj = {
  a:1,
  b:1,
  c:1,
  d:1,
  e:1,
  f:1,
  g:1,
  h:1,
  i:1,
}


const n = omit4(obj, ['a','d','i']);

 
const obj = {  a:1,  b:1,  c:1,  d:1,  e:1,  f:1,  g:1,  h:1,  i:1,}​​const n = omit4(obj, ['a','d','i']);