本文实例讲述了JS实现的打字机效果。分享给大家供大家参考，具体如下：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<!-- Always force latest IE rendering engine (even in intranet) & Chrome Frame
Remove this if you use the .htaccess -->
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<title>JS打字机效果</title>
<meta name="description" content="">
<meta name="author" content="Administrator">
<meta name="viewport" content="width=device-width; initial-scale=1.0">
<!-- Replace favicon.ico & apple-touch-icon.png in the root of your domain and delete these references -->
<style type = "text/css">
#main {
width: 80%;
height: 750px;
margin: auto;
padding: 10px;
background: #cfe1ca;
border: 10px outset #f9c6aa;
line-height: 30px;
color: #9f3c61;
font-size: 18px;
}
p {
text-indent: 30px;
}
</style>
<script type = "text/javascript">
var typeWriter = {
msg: function(msg){
return msg;
},
len: function(){
return this.msg.length;
},
seq: 0,
speed: 150,//打字时间(ms)
type: function(){
var _this = this;
document.getElementById("main").innerHTML = _this.msg.substring(0, _this.seq);
if (_this.seq == _this.len()) {
_this.seq = 0;
clearTimeout(t);
}
else {
_this.seq++;
var t = setTimeout(function(){_this.type()}, this.speed);
}
}
}
window.onload = function(){
alert("welcome to http://www.jb51.net")
var msg = "JS打字机效果 ，原理很简单：每次多获取一个待打出的字符串的值，输出，覆盖原来输出的内容即可";
function getMsg(){
return msg;
}
typeWriter.msg = getMsg(msg);
typeWriter.type();
}
</script>
</head>
<body>
<p id = "main"> </p>
</body>
</html>以上就是JS实现的打字机效果示例代码的详细内容，更多请关注php中文网其它相关文章！
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