本文实例为大家分享了js实现盒子拖拽动画的具体代码,供大家参考,具体内容如下
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<!doctype html>
<html lang= "zh-cn" >
<head>
<meta charset= "utf-8" >
<title>document</title>
<script src= "jquery.js" ></script>
<style>
* {
margin: 0;
padding: 0;
}
.wrap {
width: 400px;
height: 200px;
border: 1px solid #ccc;
border-right-color: red;
position: absolute;
top: 50%;
left: 50%;
margin-left: -200px;
margin-top: -100px;
box-sizing: border-box;
}
.wrap .head {
height: 40px;
padding-left: 4px;
padding-right: 4px;
background-color: #ccc;
box-sizing: border-box;
line-height: 40px;
user-select: none;
}
.head:hover {
cursor: move;
}
.head span {
float: left;
}
#close {
float: right;
}
#close:hover {
cursor: pointer;
}
</style>
</head>
<body>
<p>tom</p>
<p>tom</p>
<p>tom</p>
<p>tom</p>
<p>tom</p>
<p>tom</p>
<p>tom</p>
<p>tom</p>
<p>tom</p>
<p>tom</p>
<p>tom</p>
<p>tom</p>
<p>tom</p>
<p>tom</p>
<p>tom</p>
<p>tom</p>
<p>tom</p>
<p>tom</p>
<p>tom</p>
<p>tom</p>
<p>tom</p>
<p>tom</p>
<p>tom</p>
<p>tom</p>
<p>tom</p>
<p>tom</p>
<p>tom</p>
<p>tom</p>
<p>tom</p>
<p>tom</p>
<div class= "wrap" >
<div class= "head" >
<span>试着拖拽我</span>
<span id= "close" >【关闭】</span>
</div>
</div>
<script>
let wrap = document.queryselector( '.wrap' );
let close = document.getelementbyid( 'close' );
let head = document.queryselector( '.head' );
head.onmousedown = function (e) {
// 获得鼠标在 head 中的坐标
let x = e.pagex - wrap.offsetleft;
let y = e.pagey - wrap.offsettop;
console.log(x, y);
document.onmousemove = function (e) {
let xx = e.pagex - x;
let yy = e.pagey - y;
// 设置边界限制
xx = xx < 0 ? 0 : xx;
yy = yy < 0 ? 0 : yy;
if (xx >= innerwidth - wrap.offsetwidth) {
document.documentelement.scrollleft = 20;
} else {
document.documentelement.scrollleft = 0;
}
xx = xx > innerwidth - wrap.offsetwidth ? innerwidth-wrap.offsetwidth : xx;
yy = yy > innerheight - wrap.offsetheight + document.documentelement.scrolltop ? innerheight - wrap.offsetheight + document.documentelement.scrolltop : yy;
wrap.style.left = xx + 'px' ;
wrap.style.top = yy + 'px' ;
// 禁止x滚动轴
document.body.style.overflowx = 'hidden' ;
wrap.style.marginleft = 0;
wrap.style.margintop = 0;
};
};
document.onmouseup = function () {
document.onmousemove = null ;
};
close.onclick = function () {
wrap.style.display = 'none' ;
};
</script>
</body>
</html>
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实现效果:
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。
原文链接:https://blog.csdn.net/cnkeysky/article/details/94299632