jqlite helper

jqliteHelper.js

function applyToElements(selector, callback, context){
            var elements = document.querySelectorAll(selector);
            for(var i=0; i < elements.length; i++){
                callback.call(context, elements[i]);
            }
        }

        function addPropertyToElements(selector, property, value){
            applyToElements(selector, function(el){
                el[property] = value;
            });
        }