我正在创建一个带有错误消息的表单，当我提交一个没有值的表单时，它应该添加图标并更改框颜色。但是我无法在姓氏字段中收到错误消息，并且我正在尝试使用 css 在输入字段中添加图标，但无法将其移动到文本字段中。
有人帮帮我。
$(function() {
$('[data-toggle="popover"]').popover()
$(".fa").hide();
});
function validate() {
var errorFlag = true;
var firstName = $('#fname').val();
var surName = $('#sname').val();
var mobileNumber = $('#mobNum').val();
var reEnterMobileNumber = $('#reEnterMobNum').val();
//var emailid=$('#mail').val();
var password = $('#password').val();
var firstNameReg = /^([a-zA-Z]{2,30})$/;
var surNameReg = /^([a-zA-Z]{2,30})$/;
var numericReg = /^\d{3}\d{3}\d{4}$/;
// var emailReg = /^([\w-\.]+@([\w-]+)+(\.[\w-]{2,4})?)$/;
var passReg = /^([a-zA-Z0-9]{2,30})$/;
var inputData = [{
id: "fname",
regex: firstNameReg
}, {
inputData: "sname",
regex: surNameReg
}, {
id: "mobNum",
regex: numericReg
}, {
id: "password",
regex: passReg
}];
for (var index = 0; index < inputData.length; index++) {
var data = inputData[index];
var regex = data.regex;
if (!regex.test($('#' + data.id).val())) {
errorFlag = false;
$('#' + data.id).addClass('boxBorder');
$(".fa").show();
} else {
$('#' + data.id).removeClass('boxBorder');
$(".fa").hide();
}
}
return errorFlag;
}
function userLogin() {
var a = $('#uname').val();
var b = $('#userPwd').val();
if (a == "sindhu@gmail.com" && b == "sindhu") {
alert("entered successfully")
} else {
alert("enter valid user id and password")
}
}.nameField {
width: 197px !important;
}
.fields {
height: 38px;
border-radius: 5px;
border-color: #bdc7d8;
width: 398px;
}
input::-webkit-input-placeholder {
line-height: 3;
font-size: 18px;
padding: 8px 10px;
}
.input,
#createAccount {
margin-top: 10px !important;
}
input {
border: 1px solid;
width: 152px;
margin-top: -1% !important;
height: 23px;
}
.errspan {
color: #C6484C;
font-size: 1.6em !important;
display: absolute;
right: 9px !important;
top: 9px !important;
}
#createAccount {
font-size: 19px;
line-height: 126%;
font-family: 'Freight Sans Bold', Helvetica, Arial, sans-serif !important;
padding: 7px 20px;
text-align: center;
border: 1px solid #2c5115;
border-radius: 5px;
color: #fff;
cursor: pointer;
margin-bottom: 10px;
background-color: #69a74e;
margin-bottom: 15px !important;
}
.boxBorder {
border-color: red;
}<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet" type="text/css"/>
<link href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet" type="text/css"/>
<body id="form">
<form method="post" name="Form" id="user_form" onsubmit="return validate();">
<input type="text" class="nameField fields input" name="fname" id="fname" placeholder="Firstname">
<input type="text" class="nameField fields input" name="sname" id="sname" placeholder="Surname"><i class="fa fa-exclamation-circle errspan"></i>
<br>
<input type="text" class="fields input" name="number" id="mobNum" placeholder="Mobile number or email address"><i class="fa fa-exclamation-circle errspan"></i>
<br>
<input type="text" class="fields input" name="reNumber" id="reEnterMobNum" placeholder="Re-enter mobile number or email address"><i class="fa fa-exclamation-circle errspan"></i>
<br>
<input type="password" class="fields input" name="pwd" id="password" placeholder="New password"><i class="fa fa-exclamation-circle errspan"></i>
<br>
<div>
<button type="submit" id="createAccount">Create an account</button>
</div>
</form>
</body>
这是我的完整代码 https://jsfiddle.net/hq9tp7ef/
最佳答案
有一些语法错误，用下面的代码更新你的js
在验证函数中，您输入了 inputData : "sname" 而不是 id : "sname"
var inputData = [{
id : "fname",
regex : firstNameReg
}, {
id : "sname",
regex : surNameReg
},
{ id:"mobNum",
regex: numericReg
},{
id:"password",
regex:passReg
}
];
要设置您的图标位置，只需将您的icon css 替换为以下css:
.errspan {
color: #C6484C;
font-size: 1.6em !important;
position: absolute;
right: 9px !important;
/* top: 9px !important; */
margin-top: 12px;
}
关于javascript - 使用 jquery 将 css 添加到输入字段，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/41659800/