How to reverse an array in javascript

Reversal method: 1. Use for loop and push(), the syntax "var nar=[];for(var i=arr.length-1;i>=0;i--){nar .push(arr[i])}"; 2. Use reverse(), syntax "arr.reverse()".

The operating environment of this tutorial: windows7 system, javascript version 1.8.5, Dell G3 computer.

Javascript method to reverse an array

1. Use for loop and push() method

var arr = [1,2,3,4,5,6];
var newArr=[];
for(var i=arr.length-1;i>=0;i--){
	newArr.push(arr[i]);
}
console.log(newArr);

2. Use the reverse() method

The reverse() method is used to reverse the order of elements in the array.

Grammar:

array.reverse()

Example:

var arr = [1,2,3,4,5,6,7,8];
var newArr=arr.reverse();
console.log(newArr);

[Related recommendations: javascript learning tutorial】

The above is the detailed content of How to reverse an array in javascript. For more information, please follow other related articles on the PHP Chinese website!