<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>无标题文档</title>
<script src="http://libs.baidu.com/jquery/1.10.2/jquery.min.js"></script>
<style>
.main {
width: 100%;
height: 100%;
margin: 0 auto;
max-width:480px;
margin-top:40px;
}
.menutext{
width:480px;
height:50px;
font-size:20px;
line-height:50px;}
</style>
</head>
<body>
<div class="main">
<div class="menutext"></div>
</div>
<script>
//动态文字提示一个字一个字蹦出来的 循环执行
var txtArr = [‘请输入您的问题......‘],
x = 1,
y = 0,
txt = txtArr[y],
timer = null,
timer1 = null,
cue = $(‘.menutext‘);
function changTxt() {
if (x == txt.length+1) {
clearTimeout(timer1);
timer1 = setInterval(function(){
y += 1;
if (y > txtArr.length - 1) y = 0;
cue.text(‘‘);
txt = txtArr[y];
x=0;
},3000);
}
cue.text(txt.substring(0,x));
x+=1;
clearTimeout(timer);
timer = setTimeout(function(){
changTxt();
},600);
}
changTxt();
</script>
</body>
</html>