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JavaScript-双击事件ondblclick
作者：小萝卜 2023-03-22 【 javascript 】 浏览 784
简介JavaScript-双击事件ondblclick
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>双击事件</title>
</head>
<body>
<div id="move" style="width:200px;height:200px;background:#456"></div>
<script type="text/javascript">
//
var move = document.getElementById('move');
//
move.ondblclick = function(){
//获取元素原来的宽度
var w = parseInt(this.style.width);//200
//数据类型转换
var newW = w+5;
var r = rand(0,255);
var g = rand(0,255);
var b = rand(0,255);
this.style.background = "rgb("+r+","+g+","+b+")";
this.style.width = newW+'px';
}
function rand(m,n){
return Math.ceil(Math.random()*(n-m+1))+m-1;
}
</script>
</body>
</html>
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