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For today’s programming tutorial, I’m going to show how to pass input arrays through an AJAX request using JQuery . This tutorial will assume that you have at least basic knowledge of using JQuery, and also have knowledge of any scripting language of choice (Perl, PHP, Python, Ruby, etc). For those who have been using JQuery, its been quite frustrating to know that the usual method for passing multi-valued parameters like checkboxes is by giving each checkbox a unique name or id. Sure its a little hassle at first when processing your backend if you only have a few selections needed, but what about larger forms with 20 or more inputs?
This series of posts on using jQuery with no prior knowledge comes to its fifth iteration. Today, I'm going to look more in depth at the Validation Plug-in. We'll be looking at what rules the Validation Plug-in comes with out of the box followed by an example of how to create your own rules. In addition to the typical project that I typically supply, I am also including a list of custom Validations that I have used to hopefully make everyone's life a little easier. If you would like to review the previous posts in this series, please feel free to review the links below:
There’s two types of validation: Simple, server-independent validation, i.e. checking email address are the right format, password and confirm password matches, etc. Server-based validation, with can be delivered with a page refresh, or live (as this tutorial will explain), i.e. for checking whether a username is taken. What can we do?
One struggle that still remains today in web design is displaying all of the redundant information on every page. For example, a login form. What if there was a way to easily make the content accessible on every page, but keep it hidden until needed? Well you can, by making a top panel that when clicked, will reveal its self and its content. But we need to make this look nice, so we'll also animate it. In this tutorial, we'll create a sliding panel, that slides in to reveal more content, using JQuery to animate the height of the panel.
Contact forms are the most common bridges between readers & site owners whether it is a blog or an e-commerce site. Creating a better user experience in this bridge definitely helps improving the effect created in the eyes of the site visitors. Depending on the features (or JS frameworks to be used) you may need, you can choose from these 16 very nice free Ajaxed contact forms & implement them easily to any website. LightForm – Ajax / PHP Contact Form – Demo It uses FormCheck2 for validation of fields and NiceForms to style form objects. There is a simple captcha-like validation which ask the user a sum of 2 numbers.
Update, 7 November 2010: Moving to GitHub: https://github.com/westonruter/webforms2 Update, 3 June 2009: Now that the Web Forms 2.0 has been edited into HTML5, this project will seek to implement as much of the HTML5 Forms section as possible. This will be a complete rewrite of the codebase.
The following code controls the HTML form beneath it. It uses ajaxForm to bind the form and demonstrates how to use pre- and post-submit callbacks. AJAX response will replace this content.
Most file upload forms suck. It's not just the lack of design, but also the unintuitive and inflexible interface. There is usually a single file upload field, where you need to select and upload files one at a time.
One of usability guru Jakob Nielsen's top ten usability heuristics is "Error Prevention: Even better than a good error message is a careful design which prevents a problem from occurring in the first place." Sure, in Nielsen's perfect world of blue and purple links, I can agree with that. But in the real world, errors happen and they must be dealt with. By understanding the context in which errors frequently occur, developers can best design an application's resulting error interactions and visual feedback to help the user resolve the errors.
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