JavaScript Append to Array: A JavaScript Guide to the Push Method

JavaScript Append to Array: A JavaScript Guide to the Push Method

The push() method will add one or more arguments at the end of an array in JavaScript. This method accepts an unlimited number of arguments, and you can add as many elements as you want at the end of the array. The push() method also returns the new length of the array.

Sometimes you need to append one or more new values at the end of an array. In this situation the push() method is what you need.

The push() method will add one or more arguments at the end of an array in JavaScript:

let arr = [0, 1, 2, 3];
arr.push(4);
console.log(arr); // [0, 1, 2, 3, 4]

This method accepts an unlimited number of arguments, and you can add as many elements as you want at the end of the array.

let arr = [0, 1, 2, 3];
arr.push(4, 5, 6, 7, 8, 9);
console.log(arr); // [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]

The push() method also returns the new length of the array.

let arr = [0, 1, 2, 3];
let newLength = arr.push(4);
console.log(newLength); // 5

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