Empty All Elements of Array in JavaScript

Empty All Elements of Array in JavaScript

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Here giving an example, how to empty all elements of an array in JavaScript using the pop() method.

Example 1: JavaScript - Empty All Elements of Array

The following JavaScript code will remove every element of an array using the pop() method:

var myArr = [1,2,3,4,5,6,7,8,9];
var myNewArr = [];

while(myArr.length){
  myNewArr.push(myArr.pop());
}

console.log(myArr, myNewArr);

Output:

0: 9
1: 8
2: 7
3: 6
4: 5
5: 4
6: 3
7: 2
8: 1
length: 9

Example 2:

let arr = [1,2,3,4,5,6,7]

let newArr = []

//console.log(arr.pop())
const fib = function(n){
   if(!n <= 0){
     newArr.push(arr.pop())
     return fib(n-1)
   }
}

fib(arr.length)

console.log(newArr)

Output:

0: 7
1: 6
2: 5
3: 4
4: 3
5: 2
6: 1
length: 7

See also: