Image handling with javascript

Image handling Background loading of image to cache by using JavaScript image object While we are downloading any page we can also download images which are not going to be displayed immediately while showing the page. We can show the image by associating with an event and while displaying the ...

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Javascript Strings Handling

Strings Handling Converting Lower case text to Uppercase in JavaScript We can convert lowercase letter to upper case letter by using toUpperCase() method in JavaScript. This you must have seen in some sites were after entering your user id and when we come out of input box, it changes to ...

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Math Function in Javascript

Math Function Checking number using isNaN function JavaScript has one important function isNaN() to check any data is number or string. This function isNaN() is remembered as short form is Is Not a Number. This function returns true if the data is string and returns false if the data is ...

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Javascript Date, Time & Timer related

Date, Time & Timer related Timer funcitons in JavaScript: Reminder Script Timers are used in web pages and we will discuss how to setup one and how to use one with an example. The function setTimeout() in function is used and here is its general syntax. mytime = setTimeout(expression, msec); ...

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Javascript Window Child, Close, Refreshing

Window Child, Close, Refreshing Displaying Alert window with message We can display alert messages in a new window to the visitor using client side JavaScript alert function. This is one useful tool to inform or alert the user by displaying some messages. Alert message window will have only one button ...

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Event handling in JavaScript

Event handling in JavaScript Managing Status bar message onMouseOver of a link WE can use windows status bar to display messages by linking it with events. We will be using windows objects status property to display this message. Status bar is at the bottom of your browser. If it is ...

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Form & component validation (JavaScript)

Form & component validation Javascript Form Validation PHP Advance Form validation code PHP form validation is a frequent requirement in many applications. Different type of php form validations is used based on the requirements but the process remains same. Let us start with a simple one and then go to ...

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Array In Javascript

ARRAY How to create array and add element We can create arrays in JavaScript in different ways. Handling of arrays using JavaScript is required in many applications. If we are processing a form then elements of the form can be managed as part of an array. We will learn some ...

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Introduction to Javascript

JavaScript is popular as a client side script in the web programing area. Java Script code gets execuated by a web browser. Here we will learn different types of codes in Java Script. Enable JavaScript and detect disable setting of client browser Are you using a browser that doesn’t support ...

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Css Tips And Tricks

Miscelleanous Topics Two topics that should be covered that did not fall into another category, hence the all inclusive miscelleanous. Inheritance A nice thing about style sheets is that types can inherit certain properties by their parent object. Sound confusing, its not. One of the common inheritance features in standard ...

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