This article has shared the specific code for form verification for your reference. The specific content is as follows
Note: After downloading, just copy and paste it in the new js file name.
Test code:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title></title>
<style>
table{
width: 690px;
}
th{
padding-left: 23%;
padding-bottom: 20px;
}
td{
width: 110px;
}
b{
color: #f00;
}
</style>
</head>
<body>
<!--Form-->
<div class="ctn">
<form class="fm" method="post" onsubmit="return doTable()">
<table align="center">
<th class="perWl" align="left" colspan="2">Logistics service provider</th>
<tr>
<td class="txt" align="right" width="100">Login land name say：</td>
<td class="wlIcon icon">
<s></s>
<input type="text" name="lgname" maxlength="20"/>
<b>*</b>
<span></span>
</td>
</tr>
<tr>
<td class="txt" align="right">dense code：</td>
<td class="wlIcon icon">
<s class="mm"></s>
<input type="password" name="password" maxlength="18"/>
<b>*</b>
<span></span>
</td>
</tr>
<tr>
<td class="txt" align="right">Confirm recognize dense code：</td>
<td class="wlIcon icon">
<s class="mm"></s>
<input type="password" name="repass" maxlength="18"/>
<b>*</b>
<span></span>
</td>
</tr>
<tr>
<td class="wlBtns" align="center" colspan="2">
<s></s>
<button type="submit">Note book</button>
<button class="cancel" type="submit">Pick remove</button>
</td>
</tr>
</table>
</form>
</div>
<script src="js/jquery-1.11."></script>
<script src="js/"></script>
<script type="text/javascript">
/*Form Verification*/
var gets = true;//Whether to submit the form $(function(){
// Prompt message========================================================= $("input[name=lgname]").focus(function(){
if($(this).val() == ){
$(this).val('');
}
}).blur(function(){
if($(this).val() == ''){
$(this).val();
}
});
//When the input box loses focus, the method to be executed $("input[name=lgname]").blur(function(){doLgname();});
$("input[name=password]").blur(function(){doPassword();});
$("input[name=repass]").blur(function(){doRepass();});
});
// Verification of login name====================================== function doLgname(){
var t = $("input[name=lgname]");
var span = ();
if(/^\w{6,16}$/.test(())){
("Fill in correctly").css({color:"green",fontSize:"12px"});
return true;
}else{
("Contains numbers, letters, underscores, lengths between 6-16").css({color:"#ec4e4e",fontSize:"12px"});
return false;
}
}
// Password verification====================================== function doPassword(){
var t = $("input[name=password]");
var span = ();
if(() == ''){
("Password cannot be empty").css({color:"#ec4e4e",fontSize:"12px"});
return false;
}else{
('');
if(/.{15,}/.test(())){
("The password length is not legal");
return false;
}
return true;
}
}
// Verification of password confirmation====================================== function doRepass(){
var t = $("input[name=repass]");
var span = ();
if(() == $("input[name=password]").val() && () != ''){
("Fill in correctly").css({color:"green",fontSize:"12px"});
return true;
}else{
("The password is inconsistent twice").css({color:"#ec4e4e",fontSize:"12px"});
return false;
}
}
// How to execute when data is submitted function doTable(){
var lg = doLgname();
var pass = doPassword();
var repass = doRepass();
if(lg&&pass&&repass){
return true;
}else{
return false;
}
}
</script>
</body>
</html>
Form plugin:Download address
The above is all the content of this article. I hope it will be helpful to everyone's study and I hope everyone will support me more.