function test(){
var Div = document.getElementById("Div");
var mydiv = document.createElement("div");
mydiv.innerHTML = "<h1>hello<h1>"
Div.appendChild(mydiv);
}
<body>
<div id="Div"></div>
<input type="button" onclick="test();" value="插入行">
</body>看了半天没觉得有问题啊…
var Div = document.getElementById("Div");
var mydiv = document.createElement("div");
mydiv.innerHTML = "<h1>hello<h1>"
Div.appendChild(mydiv);
}
<body>
<div id="Div"></div>
<input type="button" onclick="test();" value="插入行">
</body>看了半天没觉得有问题啊…
<script>
function test(){
var Div = document.getElementById("Div");
var mydiv = document.createElement("div");
mydiv.innerHTML = "<h1>hello<h1>"
Div.appendChild(mydiv);
}
</script>你的JS代码,是不是没放到<script>JS代码处</script>中间啊?