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shift()  Array  instance method

Description

Removes the first element of an array and returns that elements value to the caller.

Syntax


Signature Description
anArray.shift()Removes the first element of an array and returns that elements value to the caller.

Parameters

None.

Examples

The code below creates an array then removes the first element.


/*
 Create an array of days of the week.
 Pop the last element.
 Variable firstDayOfWeek = 'Mon'.
 */
 var week = ['Mon', 'Tues', 'Wed', 'Thurs', 'Fri', 'Sat', 'Sun'];
var firstDayOfWeek = week.shift();
alert (week + ' - ' + firstDayOfWeek);

Press the button below to action the above code:

Related Tutorials

JavaScript Intermediate Tutorials - Lesson 1 - Arrays



  

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