Ajax

3 Jan 2019

How to validate a form with jQuery validation plugin

Last updated on May 3, 2020 @ 6:55 by Apple Rinquest - WordPress/PHP Developer / category: jQuery, Web development

When you want to do the form validation you can do from the client-side and server-side. I like to do on the client-side so users can get the notification message right away after leaving the input field. The form validation on the client site is very useful when your form contains a lot of fields. On jquery plugin that I often use, it is jquery validation. It is easy to use and I can add my custom method, custom message, … Read More

Ajax, form validation

21 Feb 2018

Upload file won’t send to backend with Ajax

Last updated on Mar 9, 2020 @ 18:08 by Apple Rinquest - WordPress/PHP Developer / category: jQuery, Web development

Sometimes you create a form by containing the file input field(such as upload image file) and other text input fields. And you want to send all form data to the backend using Ajax. But you find out the only the file input data won’t send to the backend. Why? You may send the form data using serialize(). This is the cause that your backend won’t get the file input data via Ajax. Here is the code snippet using serialize(). $(“body”).on(“beforeSubmit”, … Read More

Ajax, Upload file