How to extend an existing JavaScript array with another array, without creating a new array

Question

There doesn\'t seem to be a way to extend an existing JavaScript array with another array, i.e. to emulate Python\'s extend method.

I want to achieve th

Answer 1

I like the a.push.apply(a, b) method described above, and if you want you can always create a library function like this:

Array.prototype.append = function(array)
{
    this.push.apply(this, array)
}

and use it like this

a = [1,2]
b = [3,4]

a.append(b)