Home > Web Front-end > JS Tutorial > body text

Native javascript achieves uniform motion animation effect_javascript skills

WBOY
Release: 2016-05-16 15:13:11
Original
1449 people have browsed it

This article introduces you to an animation implemented in javascript. When you click the start button, the div will move to the right. When you click stop, the div will stop moving. If you click again, it will continue to move. Please see the code below:

<html> 
<head> 
<meta charset="gb2312"> 
<head>
<title>javascript实现的简单动画</title>
<style type="text/css">
#mydiv
{
 width:50px;
 height:50px;
 background-color:green;
 position:absolute;
}
</style>
<script type="text/javascript"> 
window.onload=function()
{
 var mydiv=document.getElementById("mydiv");
 var start=document.getElementById("start");
 var stopmove=document.getElementById("stopmove");
 var x=0;
 var flag;
 function move()
 {
  x=x+1;
  mydiv.style.left=x+"px";
 }
 start.onclick=function()
 {
  clearInterval(flag);
  flag=setInterval(move,20);
 }
 stopmove.onclick=function()
 {
  clearInterval(flag);
 }
 
}
</script>
<body>
<input type="button" id="start" value="开始运动" />
<input type="button" id="stopmove" value="停止运动" />
<div id="mydiv"></div>
</body>
</html>
Copy after login

Rendering:

The above is the entire content of this article. I hope it will be helpful to everyone in learning javascript programming.

Related labels:
source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template