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amrelarabi/Spread operator.js

Created December 12, 2021 08:08
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Spread operator.js
let oldArray = [1, 2, 3];
let newArray = [...oldArray, 4, 5];
// [ 1, 2, 3 ]
console.log(oldArray);
[ 1, 2, 3, 4, 5 ]
console.log(newArray);
oldArray.pop();
[ 1, 2 ]
console.log(oldArray);
[ 1, 2, 3, 4, 5 ]
console.log(newArray);
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