freeCodeCamp/guide/english/certifications/javascript-algorithms-and-data-structures/basic-javascript/manipulate-arrays-with-unshift/index.md

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Manipulate Arrays With unshift()

Manipulate Arrays With unshift()

While push() added elements to the back of the array, unshift() adds them to the front. All you have to do is:

var arr = [2, 3, 4, 5];
arr.unshift(1); // Now, the array has 1 in the front