<!DOCTYPE html>
<html>
<head>
<style>
.imgbox {
float: left;
text-align: center;
width: 185px;
border: 1px solid gray;
margin: 4px;
padding: 6px;
}
button {
width: 100%;
}
</style>
</head>
<body>
<h1>display:none 与 visiblity: hidden 的区别</h1>
<p><b>visibility:hidden</b> 隐藏元素，但仍占据布局中的空间。</p>
<p><b>display:none</b> 从文档中删除元素。它不会占据任何空间。</p>
<div class="imgbox" id="imgbox1">Box 1<br>
<img src="/static/demo/images/imgbox-1.gif" alt="Box 1" style="width:100%">
<button onclick="removeElement()">删除</button>
</div>
<div class="imgbox" id="imgbox2">Box 2<br>
<img src="/static/demo/images/imgbox-2.gif" alt="Box 2" style="width:100%">
<button onclick="changeVisibility()">隐藏</button>
</div>
<div class="imgbox">Box 3<br>
<img src="/static/demo/images/imgbox-3.gif" alt="Box 3" style="width:100%">
<button onclick="resetElement()">重置所有</button>
</div>
<script>
function removeElement() {
document.getElementById("imgbox1").style.display = "none";
}
function changeVisibility() {
document.getElementById("imgbox2").style.visibility = "hidden";
}
function resetElement() {
document.getElementById("imgbox1").style.display = "block";
document.getElementById("imgbox2").style.visibility = "visible";
}
</script>
</body>
</html>
