```js
console.clear()
const v1 = 25
const v2 = 25
const is = Object.is(v1, v2)
console.log(is, v1, v2, is)
25, 25
25, '25'
'25', '25'
null, null
undefined, undefined
[], []
{ a: 1 }, { a: 1 }
```
codepen
https://codepen.io/frontend-tech/pen/vYWyvNX
MDN
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/is
#JavaScript #Frontend #shorts
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