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The reverse() method reverses an array in place. The first array element becomes the last, and the last array element becomes the first.

var a = ['one', 'two', 'three'];
a.reverse(); 

console.log(a); // ['three', 'two', 'one']

Syntax

a.reverse()

Return value

The reversed array.

Description

The reverse method transposes the elements of the calling array object in place, mutating the array, and returning a reference to the array.

Examples

Reversing the elements in an array

The following example creates an array a, containing three elements, then reverses the array. The call to reverse() returns a reference to the reversed array a.

var a = ['one', 'two', 'three'];
var reversed = a.reverse(); 

console.log(a);        // ['three', 'two', 'one']
console.log(reversed); // ['three', 'two', 'one']

Specifications

Specification Status Comment
ECMAScript 1st Edition (ECMA-262) Standard Initial definition. Implemented in JavaScript 1.1.
ECMAScript 5.1 (ECMA-262)
The definition of 'Array.prototype.reverse' in that specification.
Standard  
ECMAScript 2015 (6th Edition, ECMA-262)
The definition of 'Array.prototype.reverse' in that specification.
Standard  
ECMAScript Latest Draft (ECMA-262)
The definition of 'Array.prototype.reverse' in that specification.
Living Standard  

Browser compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support1 Yes15.5 Yes Yes
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidIE mobileOpera AndroidiOS Safari
Basic support Yes Yes Yes4 Yes Yes Yes

See also