HTML：
<button type="button" id="showHidden">点击切换div的隐藏与显示</button>
<div id="div1">请叫我第一层</div>
<div id="div2">请叫我第二层</div>
JS:
<script type=‘text/javascript‘>
function show_hidden(obj) {
if(obj.style.diaplay == ‘block‘) {
obj.style.display = ‘none‘;
} else {
obj.style.display = ‘block‘;
}
}
var sh = document.getElementById("showHidden");
sh.click = function() {
var div1 = document.getElementById("div1");
var div2 = document.getElementById("div2");
show_hidden(div1);
show_hidden(div2);
return false;
}
</script>
示例：
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
</head>
<body>
<button type="button" id="showHidden">点击切换div的隐藏与显示</button>
<div id="div1" style="display:block">请叫我第一层</div>
<div id="div2" style="display:none">请叫我第二层</div>
<script type=‘text/javascript‘>
function show_hidden(obj) {
if(obj.style.display == ‘block‘) {
obj.style.display = ‘none‘;
} else {
obj.style.display = ‘block‘;
}
}
var sh = document.getElementById("showHidden");
sh.onclick = function() {
var div1 = document.getElementById("div1");
var div2 = document.getElementById("div2");
show_hidden(div1);
show_hidden(div2);
return false;
}
</script>
</body>
</html>
原文：https://www.cnblogs.com/xywl/p/10229934.html