Technical tutorials, system architecture insights, performance tuning guides, and real-world debugging logs from over 22+ years building production web systems.
Copy following code snippet into the application. dirtyCount() method return the number of fields have unsaved changes. var dirtyChecking = function () { $('input, select, textarea').each(function...
An example code to implement drag-ability in to an HTML element from scratch without using JavaScript library. JavaScript functions to provide drag-ability: function DDElement(ele, event) { addEven...
Yesterday, I have deployed an application on Ubuntu server but the javascript was no longer working after configuring the virtual host. I have taken following steps to find the problem:Viewed the HTML...
Sometimes, we need to attach or detach an action with an element for specific event where listener function depends on browser. By using following code snippet anyone can do that in all browsers: fun...
I have written a simple form validation script using jQuery for one of my projects though it have improvement opportunity. Anyone can use it easily by following four simple steps below: STEP 1: Add jQ...
Sometimes we need to know the mouse cursor position to perform a certain action at that place. For example, I need to show up a popup div near the mouse cursor position when user click over a particu...
The long-term value of software is depended of the quality of codebase and it helps to reducing the weakness of programs. That’s why we should follow standards while writing Js code which will increas...
Below is a simple JavaScript code to create a custom prompt pop-up to get user input and set it to target field. /** * Open a custom prompt window to get user input * @param l String, Input label * @p...
Now a days usability is one of the major issues for web application. Many web applications with good functionality did not get enough popularity because lack of usability. Flash message is one of the...
Some web developers and client want to disable the right click to prevent the theft their web content specially image. It can do by using a simple line of html code below though it can bypass in many...