JS how to register an event tied to reconciliation Event

Use native js

1. The anonymous function assigned to the event null;

onload = function (){
	var a = document.getElementById("a");
	//注册事件
	a.onclick = function (){
		console.log("a")
	}
	//事件解绑
	a.onclick = null;
}

Using jQuery

1. To register an event on the method of use jquery

$(function (){
	//使用jQuery注册事件  a是我的类选择器
	$(".a").on("click",function (){
		console.log("a");
	})
	//也可以不使用on方法
	$(".a").click(function (){
		console.log("a")
	})
})

2. Unbundling event to use off method in jquery

//解绑事件
	$(".a").off("click")