Enable custom events to support multi-binding JS

<script language= "JavaScript" type= "Text/javascript" ><!--//Defining class Class1functionClass1 () {//constructor Function}//Defining class MembersClass1.prototype={show:function(){//code for show//...//Loop OnShow Array If there is an event binding, triggering the eventif( This. OnShow) { for(vari=0;i< This. onshow.length;i++){ This. Onshow[i] ();//invoking an event handler}}},attachonshow:function(_ehandler) {if(! This. OnShow) This. onshow=[];//event handler reference with array storage bindings This. Onshow.push (_ehandler);}}varobj=NewClass1 ();//Event handlers 1functionOnShow1 () {alert (1);}//Event handlers 2functionOnShow2 () {alert (2);}//binding two event handlersobj.attachonshow (ONSHOW1); Obj.attachonshow (onShow2);//call Show to trigger the OnShow eventobj.show ();// -</script>

Enable custom events to support multi-binding JS