js_tutorial

Javascript
Syntax
Its syntax is as follows:
array.unshift( element1, ..., elementN );
Parameter Details
element1, ..., elementN : The elements to add to the front of the array.
Return Value
Returns the length of the new array. It returns undefined in IE browser.
Example
Try the following example.
JavaScript Array unshift Method
var arr = new Array("orange", "mango", "banana", "sugar");
var length = arr.unshift("water");
document.write("Returned array is : " + arr );
document.write(" Length of the array is : " + length );
Output
Returned array is : water,orange,mango,banana,sugar
Length of the array is : 5
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