Tag:validate form

  • How to use JavaScript verification mode


    catalogue summary Form validation without policy mode Use policy pattern optimization Advantages of strategic mode summary summary In the web project, the login, registration and other functions require form submission. Before submitting the user’s data to the background, the front end generally needs to do some verification within its ability, such as whether to fill […]

  • Ajax verification form instance with prompt


    This article describes the Ajax verification form with prompts. Share with you for your reference. The details are as follows: This is a commonly used Ajax form verification program, real-time prompt whether the characters you enter meet the requirements, simple and clear, easy to modify, this is implemented with JavaScript, without doping other framework class […]

  • Example of drag slider verification code verification form operation implemented by PHP + JS


    This paper describes the PHP + JS implementation of drag slider verification code to verify the form operation. For your reference, the details are as follows: Now many websites, such as Taobao and Jingdong, use polar verification code to log in. This method has a better experience than the traditional verification code method, reducing user […]