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html5 validation for symfony 2.1

Is it true that only HTML5 can directly use client-side validation? What I mean is, if I don’t use the html5 validation control and I don’t use html5, am I unable to perform client-side validation?

迷茫 2017-05-16 16:45:35 0  2  825

React Hook form and yup validation: effective form validation method

I've created a Buy Now component for my ReactJS e-commerce website. The problem I am facing is that the validation of the form is not completed. I used a parser but it still didn't validate my form. This is my code: importReact,{useEffect,useState}from'react'import"./e.css"import{useForm}f...

P粉486743671 2023-08-28 10:04:56 0  1  619

angular.js - AngularJS form validation

My AngularJs version is v1.4.3, and I encountered a problem when doing form validation. The effect I want to achieve is: when the form content is empty, the login button is disabled. But now the login button is not disabled. -- HTML -- {code...} -- AngularJS -- {code...}

phpcn_u1582 2017-05-15 16:54:24 0  3  603

react native react-hook-form controller rule validation not working

I have an application developed using ReactNative. I'm using react-hook-form for login and registration screens. I have a validation schema that I created. I can't use this validation scheme with the rules of react-hook-form controller because I can't assign the input value, please help! constformKe...

P粉445714413 2024-03-26 18:35:16 0  1  622

html5 - I am currently learning react by myself. I want an example of react form submission.

RT. Form validation form submission --.

阿神 2017-05-18 10:52:01 0  1  872

angular.js - Angular form validation

I just started learning angular, and I encountered some problems in form validation. What I mean is that I want to display the error message when blurring, and not display the error message when focusing. But I followed the instructions in the book, but Incorrect, can anyone help me analyze it, than...

給我你的懷抱 2017-05-15 16:58:38 0  1  649

What's the solution to form validation issues in React JSX?

I'm trying to make a validation form in React but I'm having a lot of problems since I added saving user registration data. importReact,{useState}from"react";import"./registerstyle.css";importEyeIconfrom"./EyeIcon.png";importEyeIconHidefrom".

P粉094351878 2024-04-03 11:53:49 0  1  578

html5 form validation

How are the native verification boxes in HTML5, such as required, pattern, etc., implemented when the verification is invalid? Why does a prompt box with different content pop up when it is invalid because different constraints are not met? Is it implemented by combining the invalid event and the va...

天蓬老師 2017-07-06 10:35:42 0  2  1276

How about using Alpine.js for form validation

I'm discovering such a great Alpine.js framework. But I can't find how to insert the complete form validation framework. For years I used full JqueryValidation, but it requires JQuery ;-) I tried Ionide.Js but it didn't have many validators to plug into Laravel. Vue.js has vuelidate and vee-validate...

P粉345302753 2023-08-30 21:41:37 0  1  827

Bootstrap 5 validation message not showing

I have a Blazor webpage using Bootstrap5.1.0 with the following form, the validation is purely client side: <EditFormModel="CheckoutViewModel"OnValidSubmit="@HandleValidSubmit"id="payment-form" class="needs-validation"nov

P粉391677921 2023-09-06 08:53:55 0  1  755

Validation rules for laravel form form validation

In laravel, when verifying whether fields are repeated, the following {code...} is verified. unique:users queries whether there are duplicates in the users table; but this is an operation on a single database; and what the current system needs to verify is not what I want. Database {code...} In data...

怪我咯 2017-05-16 16:55:44 0  2  665

form validation

Why did I follow the teacher's steps and click the submit button, but there was no submission? I just refreshed the current page.

大司命 2018-08-09 16:48:18 0  1  1133

Function returns true even though it should return false

I'm using NextJS to create a client form. I'm trying to place validation on the client side of the form and put it in a separate function, but every time I run the validateForm() function it returns true regardless of the input. I feel like I'm missing something stupid here, but I'm racking my brain...

P粉514458863 2023-08-16 19:57:43 0  1  619

Identify issues with this form validation

I'm using Laravel5.8 and I've made this controller method to create some records in the database. publicfunctiondoTheUpload(Request$request){try{$request->validate(['video'=>'nullable|mimes:mp4','video_thumb'=>'required|mimes:jpg,png,jpeg','vide

P粉296080076 2023-08-31 17:10:00 0  2  662

Laravel form validation directly displays Forbidden solution?

{Code...} {Code...} Post displays Forbidden directly after logging in. Why? update The problem has been solved. authorize should return true. Return false and a forbidden message will appear. But here comes the problem. I want to handle the logic myself when auth is false. What to do?

過(guò)去多啦不再A夢(mèng) 2017-05-16 16:53:34 0  1  567

javascript - angularjs custom form validation directive is invalid

The command is invalid and the blur event is not executed.

黃舟 2017-05-19 10:46:50 0  2  879

node.js - Express validation login form, how to judge?

Problem description: Use express session to implement a login page. When using app.post to process the form, the judgment statement {code...}, where the content of the json file is: {code...}, a problem occurs, specifically as follows: The username and password are placed in a json file, in app.js.....

給我你的懷抱 2017-06-20 10:06:32 0  2  846

javascript - the most basic form validation in angular

In angular, ng-controller will form a scope. When using form form, it will form a scope of formController. When using ng-model, it will form a scope of controllerScope. I want to ask, that is The directive is in require: 'ngM...

給我你的懷抱 2017-06-29 10:09:31 0  1  856

React hook form field array validation not working

I have an array of fields with an input field for which I have set some validation rules such as required and minLength. I want the new field to be validated immediately when it is appended. However, this is not happening and even if I append empty fields, the error for these input fields is still u...

P粉665679053 2023-12-06 19:41:46 0  1  738

If you encounter a problem with form validation, please indicate the problem (PHP validation)

I'm wondering what's wrong with the form in my code. <?phpif(isset($_POST['submit'])){$arrayName=array("TeacherA","TeacherB","TeacherC","TeacherD","TeacherE");$minimum=5;$maximum= 10

P粉268284930 2023-09-09 19:34:57 0  1  637