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What is the pointer-events attribute? Detailed explanation of pointer-events attribute

云罗郡主

Nov 20, 2018 pm 04:44 PM

This article brings you what is the pointer-events attribute? The detailed explanation of the pointer-events attribute has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.

After an absolutely positioned element covers a link or adds an element with an event handle, the link's default behavior (page jump) or element event will not be triggered.

Now Firefox3.6/Safari4/Chrome supports a css attribute called pointer-events. Use this attribute to determine whether you can penetrate absolutely positioned elements to trigger certain behaviors of the underlying elements. As follows:

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS:pointer-events</title>
<style type="text/css">
.overlay1 {
width:80px;
height:20px;
background:gold;
position:absolute;
top:5px;
left:5px;
opacity:0.5;
}
.overlay2 {
width:80px;
height:20px;
background:gold;
position:absolute;
top:40px;
left:5px;
opacity:0.5;
}
.pointer{pointer-events:none;}
</style>
<script type="text/javascript">
window.onload = function(){
document.getElementById(&#39;chx&#39;).onclick = function(){ document.getElementById(&#39;a&#39;).className
= "overlay1 " + ((this.checked)? "pointer" : "");
document.getElementById(&#39;b&#39;).className
= "overlay2 " + ((this.checked)? "pointer" : "");
}
}
</script>
</head>
<body>
<div id="a" class="overlay1"></div>
<div id="b" class="overlay2"></div>
<a href="http://www.php.cn/">php中文网</a>
<br/><br/>
<span onclick="alert(3);">php中文网</span>
<p>
<input id="chx" type="checkbox">
<label for="chx">开启穿透点击</label>
</p>
</body>
</html>

Display effect:

What is the pointer-events attribute? Detailed explanation of pointer-events attribute

By default, the link and span elements are obscured by the two absolutely positioned divs. There is no response after clicking respectively, that is, the default behavior of link a cannot be triggered, and the click event of the span element cannot be triggered. However, after turning on the penetration click, clicking the link and span again in Firefox/Safari/Chrome, a browser that supports pointer-events, can trigger the corresponding behavior.

The above is the pointer-events attribute? A complete introduction to the detailed explanation of pointer-events attributes. If you want to know more about CSS3 tutorial, please pay attention to the PHP Chinese website.

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