How to use Javascript array unshift() method
Description
unshift() adds items to the front of an
array and returns the new array length.
Example
var colors = new Array(); //create an array
//from ww w . j a v a 2 s.c o m
var count = colors.unshift("A", "B"); //push two items
console.log(count); //2
count = colors.unshift("C"); //push another item on
console.log(count); //3
var item = colors.pop(); //get the first item
console.log(item); //"B"
console.log(colors.length); //2
The code above generates the following result.
