文章来源:http://blog.csdn.net/hbyelang/archive/2007/05/15/1610495.aspx
Tags: javascriptjavascript | workwork
2007-8-30 23:50:17 | 编辑
纯Javascript的输入框掩码
| Field1: | |
| Field2: | |
| Field3: | |
<html>
<head>
<script language="javascript">
function mask(str,textbox,loc,delim){
var locs = loc.split(',');
for (var i = 0; i <= locs.length; i++){
for (var k = 0; k <= str.length; k++){
if (k == locs[i]){
if (str.substring(k, k+1) != delim){
str = str.substring(0,k) + delim + str.substring(k,str.length)
}
}
}
}
textbox.value = str
}
</script>
<title>Input Mask : : Javascript</title>
</head>
<body>
<form name="form" action="" method="post">
<table>
<tr>
<td>Field1:</td>
<td><input name="Field1" value="" type="text" onKeyUp="javascript:return mask(this.value,this,'3,6','-');" onBlur="javascript:return mask(this.value,this,'3,6','-');" style="font-family:verdana;font-size:10pt;width:110px;" maxlength="11"></td>
</tr>
<tr>
<td>Field2:</td>
<td><input name="Field2" value="" type="text" onKeyUp="javascript:return mask(this.value,this,'2,5','/');" onBlur="javascript:return mask(this.value,this,'2,5','/');" style="font-family:verdana;font-size:10pt;width:110px;" maxlength="10"></td>
</tr>
<tr>
<td>Field3:</td>
<td><input name="Field3" value="" type="text" onKeyUp="javascript:return mask(this.value,this,'2,5','-');" onBlur="javascript:return mask(this.value,this,'2,5','-');" style="font-family:verdana;font-size:10pt;width:110px;" maxlength="10"></td>
</tr>
<tr><td colspan="2">
<input type="submit" value="submit">
</td></tr>
</table>
</form>
</body>
</html>
