shift

Summary

Removes the first element from an array and returns it.

Syntax

shift( )

Return Value

Returns the element removed from the array.

Examples

The following example illustrates the use of the shift method.

var arr = new Array(10, 11, 12);
 while (arr.length > 0)
     {
     var i = arr.shift();
     document.write (i.toString() + " ");
     }

 // Output:
 // 10 11 12

See also

Specification

15.4.4.9 Array.prototype.shift ( ) ECMAScript® Language Specification Standard ECMA-262 5.1 Edition / June 2011

Attributions

• Microsoft Developer Network: Article