javascript bind object clear events code example
Example 1: jquery clear click event
$( "#foo" ).unbind("click");
Example 2: javascript remove event listener after bind
var someEventHander=function(){
console.log("do something");
}
var handlerCopy=someEventHandler.bind(var1,var2)
//add listener
document.getElementById("someid").addEventListener('click',handlerCopy,true);
//remove listener
document.getElementById("someid").removeEventListener('click',handlerCopy,true);