jquery determines whether the password entered twice is equal_jquery
Jquery easyui is a very good UI framework, but there is no most commonly used verification in form validation to determine whether the values in two output boxes are equal, so I made an extension.
$.extend($.fn.validatebox.defaults.rules, { /*必须和某个字段相等*/ equalTo: { validator:function(value,param){ return $(param[0]).val() == value; }, message:'字段不匹配' } });
Usage example:
密码: <input id="password" name="password" validType="length[4,32]" class="easyui-validatebox" required="true" type="password" value=""/> <br/> 确认密码:<input type="password" name="repassword" id="repassword" required="true" class="easyui-validatebox" validType="equalTo['#password']" invalidMessage="两次输入密码不匹配"/>
Just specify the validType attribute as equalTo['#password'].
Of course, to use this small plug-in, you must first reference the js library of jquery easyui.
I encountered a small problem when using jQuery.validate to verify whether the two passwords in the form are consistent. This is the code I wrote:
$("#aspnetForm").validate({ rules: { txtName: { required: true }, txtTrueName: { required: true }, txtPass: { required: true, minlength: 3 }, txtTwoPass: { required: true, minlength: 3, equalTo: "#txtPass" }, txtEmail: { required: true, email: true }, txtAddress: { required: true }, txtPhone: { required: true } }, messages: { txtName: { required: "*请输入用户名" }, txtTrueName: { required: "*请输入姓名" }, txtPass: { required: "*请输入密码", minlength: "*密码不能小于3个字符" }, txtTwoPass: { required: "*请输入确认密码", minlength: "*密码不能小于3个字符", equalTo: "*请再次输入相同的值" }, txtEmail: { required: "*请输入邮箱", email: "*请输入正确的邮箱格式" }, txtAddress: { required: "*请输入地址" }, txtPhone: { required: "*请输入手机号码" } } });
Why do you keep prompting me even though the two passwords I entered are the same? This is true even after trying different browsers and different versions of validate.
I don’t know if anyone has encountered similar problems. I checked many articles and summarized the ideas for solving the problem:
- First check whether the two password types of the html page are assigned IDs.
- Or search whether there are two txtPass IDs on the page.
- Or you can remove equalTo first, re-verify to see if there are other errors, and go back to troubleshoot this place.
I hope this article can give you some inspiration. Thank you for reading. I will definitely continue to work hard.

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