js array & unshift === push head

js array & unshift === push head

const arr = [1, 2, 3];

console.log(arr.unshift(4, 5));
// 5

console.log(arr);
// Array [4, 5, 1, 2, 3]

refs

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/unshift

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