<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>js</title>
</head>
<body>
<button id="button1" value="删除" onclick="del()">删除</button>
<button id="button2" value="测试" onclick="addInput()">测试</button>
<script>
function del(){
if(confirm("确实要删除吗？")){
alert("已经删除！");
}else{
alert("已经取消删除操作");
}
}
</script>
<script>
var i=0;
function addInput(){
//使用DOM的创建元素
var o=document.createElement("button");
o.type="button";
o.innerHTML="按钮"+i++;
o.addEventListener("click",addInput);
document.body.appendChild(o);
o=null;
}
addInput();
</script>
</body>
</html>