Created
September 26, 2019 22:17
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| let oldProps = null; | |
| function shallowCompare (props){ | |
| if(props !== oldProps) console.log(props); | |
| } | |
| const john = { name: "john", age: 30 }; | |
| shallowCompare(john) // prints -> { name: "john", age: 30 } | |
| const johnClone = {...john}; | |
| johnClone.age=31; | |
| shallowCompare(johnClone) // prints -> { name: "john", age: 31 } |
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