通过display或visibility来隐藏html元素

有些时候我们需要根据某些条件来控制Web页面中的HTML元素显示还是隐藏,可以通过display或visibility来实现。通过下面的例子了解display和visibility的区别,简单的例子代码如下:

复制代码代码如下:
<html>
<head>
<title>HTML元素的显示与隐藏控制</title>
<script type="text/javascript">
function showAndHidden1(){
var div1=document.getElementById("div1");
var div2=document.getElementById("div2");
if(div1.style.display==block) div1.style.display=none;
else div1.style.display=block;
if(div2.style.display==block) div2.style.display=none;
else div2.style.display=block;
}
function showAndHidden2(){
var div3=document.getElementById("div3");
var div4=document.getElementById("div4");
if(div3.style.visibility==visible) div3.style.visibility=hidden;
else div3.style.visibility=visible;
if(div4.style.visibility==visible) div4.style.visibility=hidden;
else div4.style.visibility=visible;
}
</script>
</head>
<body>
<div>display:元素的位置不被占用</div>
<div id="div1">DIV 1</div>
<div id="div2">DIV 2</div>
<input type="button" onclick="showAndHidden1();" value="DIV切换" />
<hr>
<div>visibility:元素的位置仍被占用</div>
<div id="div3">DIV 3</div>
<div id="div4">DIV 4</div>
<input type="button" onclick="showAndHidden2();" value="DIV切换" />
</body>
</html>

通过display或visibility来隐藏html元素