HTML
<button class="num1">点击生成按钮</button>
<div class="newbtn" id="newparent" style="width: 400px;height: 80px;border: 1px solid red;"></div>
js/jQuery
$('.num1').click(function(){
$('.newbtn').html("<button class='num2' id='newnum2'>点击</button>");
});
$('.outerclick').on('click','.innerclick',function(event){
event.stopPropagation(); // 防止冒泡到外层的点击事件
alert("内部的绑定事件");
});
//js
document.getElementById('newparent').addEventListener("click",function(event){
var event = event || window.event;
event.stopPropagation();
var target = event.target || event.srcElement;
alert(target.tagName);
if(target.tagName === "BUTTON"){
alert(target.className);//target.classList 根据这些值判断来写处理的事件即可
alert("未来事件绑定");
}
})