JavaScript Tutorials

Motion captcha is a jQuery plugin I've stumbled across where it will ask the user to draw over the image displayed to them, this can only be done by a human with a mouse and therefore proves they are a human so passes the test and allows you to submit the form.

Learn how to use Password Srength Meter, a JavaScript password strength checker based on MooTools 1.3. It aims to provide simple, reliable password strength indications across all browsers in an unobtrusive manner. It is 100% styled by CSS and allows for custom validations. It can be used with effects or without and has an optional text component that changes with each change of state.

Tutorial on how to create a searchform containing check boxes, when submitted we get all checked checkboxes through jQuery and send a JSON string via Ajax that will be used by PHP to get the search result.

How to build an advanced php contact form with the help of Ajax and jQuery tutorial. This contact form can have the ability to send mail to user selected address from multiple email addresses.

Validation of form elements using JavaScript. Restrict user to input wrong input and display message with nice user interface

EditableGrid is an open source Javascript library aimed at turning HTML tables into advanced editable components.

In this article we are going to design a JavaScript Left to right text scroll at windows Status Bar. Now we define a function MsgFLY() and going to call it through Window object supports methods setTimeout() to call same function after every 1000 milliseconds. The Window object supports methods for setting timers that we might use to perform a variety of functions.

We are going to manipulate data which we get from Date object constructor. Using the date object and some of its methods, you can create your own JavaScript clock customized to our needs. First of all we define variable var currentDate=new Date() and create a date object. An advantage of using objects is that objects can hold multiple values, where variables can only keep one value at a time. And then using above method get the required parameter stored in variable.

A countdown timer is a great way to let your visitors know when an important date is coming up (like when a new feature on your website will be added). In this tutorial we'll show you how to make a countdown timer to a specific date. Overall this script is very easy to implement and takes just 30 lines of code.

In this tutorial, I will explain how to easily create a clock using javascript.