实现方式1
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
<script>
window.οnlοad=function(){
var story = document.getElementById('word');
var s = document.getElementById('show');
var i = 0;
timer=setInterval(function(){
s.innerHTML=story.innerHTML.substring(0,i);
i++;
if(s.innerHTML==story.innerHTML){
clearInterval(timer);
}
},200);
}
</script>
</head>
<body>
<p id="word" style="display:none;">大家好，我是东，来自南方。</p>
<p id="show"></p>
</body>
</html>实现方式2
<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="UTF-8" />
<title>Document</title>
<link rel="stylesheet" type="text/css" href="zxx.lib.css"/>
<style>body{
line-height:1.4;
color:#333;
font-family:arial;
font-size: 12px;
}
input,textarea,select{
font-size:100%;
font-family:inherit;
}
body,h1,h2,h3,h4,h5,h6,p,ul,ol,form{
margin:0;
}
h4,h5,h6{
font-size:1em;
}
ul,ol{
padding-left:0;
list-style-type:none;
}
img{border:0;}
</style>
</head>
<body>
<pre id="aa"></pre>
<div style="display:none" id="w">大家好，我是东，来自南方。
</div>
</body>
<script>
var index=0;
var word=document.getElementById("w").innerHTML;
function type(){
document.getElementById("aa").innerText = word.substring(0,index++);
}
setInterval(type, 250);
</script>
<script src="jquery.min.js"></script>
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