JavaScript Event Binding

    varAddHandler =function (element,type,handler) {//the bound Dom object, the binding type, the event handler function        if(element.addeventlistener) {//processing in non-IEElement.addeventlistener (Type,handler,false);//False indicates that the function is called during the bubbling phase        }        Else if(element.attachevent) {//the processing in IEElement.attachevent (" on"+Type,handler); }        Else        {            //If the browser does not support the DOM2 level, use the DOM0 level method. element[" on"+ Type] =handler; }    }        varContent = document.getElementById ("content"); if(Content! =NULL&& Content! =undefined) {        varHandler =function () {alert ("OK"); } addHandler (Content,"mouseover", Handler); }

JavaScript Event Binding