jQuery手機號碼輸入提示

life66881發表於2015-03-23
jQuery
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>jQuery手機號碼輸入提示</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<style> 
*{margin:0;padding:0;}
#main{width:728px;height:300px;padding:60px;margin:0 auto;border:5px solid #CCC;}
input{border: 1px solid #666;}
.a{border: 1px solid red;}
.text-magnifier {
background:none repeat scroll 0 0 #FFFFE4;
border:1px solid #E6C99E;
color:#FF4800;
height:50px;
left:170px;
padding:5px 0 0 10px;
position:absolute;
top:30px;
width:200px;
font:20px Tahoma,Helvetica,Arial,Simsun,sans-serif;
}
.text-magnifier .mag-explain {
border-top:1px solid #E6C99E;
color:#6C6C6C;
font-size:12px;
margin-top:5px;
width:190px;
}
.fn-hide{display:none}
</style>
 <script type="text/javascript" src="jquery1.3.2.js"></script>
 <script>
 $(function(){
$("#k").focus(function(evt){
$(this).addClass("a");
if(this.value.length>0){
a(this);
d(this);
}
})
$("#k").keyup(function(evt){
if(this.value.length==0){
e();
}else{
a(this);
}
d(this);
})
$("#k").blur(function(evt){
$(this).removeClass("a");
e();
this.value=this.value
})
 })
//計算div的left和top，顯示div
function a(evt){
var y = 20;
y = $(evt).outerHeight();
$("#textMag").removeClass("fn-hide");
var t = $(evt).offset().top;
var l = $(evt).offset().left;
$("#textMag").css({
"top": (t+y) + "px",
"left":l + "px"
});
}
//隱藏div
function e(){
$("#textMag").addClass("fn-hide")
}
//控制div裡顯示的數字
function d(e){
var i = e.value;
i=$.trim(i);
var h=i.substring(0,3);
i=i.substring(3);
while(i&&i.length>0){
h+=" "+i.substring(0,4);
i=i.substring(4)
}
$("#mag-text").html(h);
}
 
 </script>
 </head>
 <body>
<div id="main">
手機號碼：<input type="text" id="k" maxlength="11" class="i-text" value="" /><div class="text-magnifier fn-hide" id="textMag"  >
<div id="mag-text" class="mag-text"></div>
<div class="mag-explain">手機號碼是11位數字</div>
<div><A href="http://www.999jiujiu.com/">http://www.999jiujiu.com/</A></div>
</body>
</html>

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