This article mainly introduces you to the simple code of jquery to achieve drag effect. It is very good and has reference value. Friends who need it can refer to it. I hope it can help everyone.
JQuery implements the drag effect example code. The specific code is as follows:
<!DOCTYPE html>
<html>
<head>
<style>
p{ width:100px; height:100px; background:red; position:absolute;}
</style>
<script type="text/javascript" src="js/jquery-1.11.3.js"></script>
<script>
$(function(){
var disX = 0;
var disY = 0;
$('p').mousedown(function(ev){
disX = ev.pageX - $(this).offset().left;//获取鼠标到元素的left,top位置
disY = ev.pageY - $(this).offset().top;
$(document).mousemove(function(ev){
$('p').css('left',ev.pageX - disX);//获取移动后鼠标的位置，并重新赋值给元素
$('p').css('top',ev.pageY - disY);
});
$(document).mouseup(function(){
$(document).off();
});
return false;
});
});
</script>
</head>
<body>
<p></p>
</body>
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