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GetElementsAt //JavaScript Function

This function is able to get all the elements in a specific level of the array

example:


x = [-1, [[8, 22, -7], 32, [[4, 10, -2], 122]], 13];
alert(x.getElementsAt(3));



code:


//+ Jonas Raoni Soares Silva
//@ http://jsfromhell.com
Array.prototype.getElementsAt = function(level){
	var r = [], x = [], c = this, l = level, i;
	do
		if(i = c.length, !l)
			for(; i; r[r.length] = c[--i]);
		else
			for(; i; c[--i] instanceof Array && x.push(c[i], l - 1));
	while(l = x.pop(), (c = x.pop()) != undefined);
	return r;
}
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