addeventlistener shares variuable code example

Example 1: javascript pass parameter to event listener

var someEventHander=function(){
	console.log(event,param1,param2);
}
//add listener
document.getElementById("someid").addEventListener('click',someEventHander.bind(event,param1,param2));

Example 2: event listener function called parameters

var someEventHander=function(event,param1,param2){
	console.log(event,param1,param2);
}
//add listener
document.getElementById("someid").addEventListener('click',someEventHander.bind(event,'param1','param2'), false);