Appends new elements to an array, and returns the new length of the array.
arrayObj.push([item1 [item2 [. . . [itemN ]]]])
Arguments
arrayObj
Required. An Array object.
item, item2,. . ., itemN
Optional. New elements of the Array.
Remarks
The push method appends elements in the order in which they appear. If one of the arguments is an array, it is added as a single element. Use the concat method to join the elements from two or more arrays.