querySelectorAll , $()

[Lynxcraft]

Código:

$ = function (Selector){
    this.obj = document.querySelectorAll(Selector);
	this.atributo=function(name,value){
		for(var n in this.obj){
			var ob = this.obj[n];
        	ob.setAttribute(name,value);
		}
    }
	return this;
}