The Use Of JavaScript In Web Design

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March 8th, 2010 by James

JavaScript is a programming language which is often used in web development. When present in web pages it enables the addition of a range of features. Users surfing the internet will already be familiar with the effects of JavaScript, as it is responsible for the appearance of pop-up windows, and interactive events such as those that occur when visitors move the cursor over an image. JavaScript also causes the alerts that appear if the wrong details are typed into an online form.

In more subtle ways, JavaScript is employed to collect information about a user’s operating system, browser type, screen size and resolution. Similarly, details of the time and date can be gathered from a visitor’s computer. JavaScript can also be used to carry out calculations and for text manipulation, including putting new text into an existing document.

All of these simple options can be combined to powerful effect. For example, JavaScript could check in detail whether a form was correctly completed, including filling in all the boxes, supplying a valid email address, and making any appropriate selections. It would then be used to warn the user if they had made any omissions or mistakes.

It should be remembered that JavaScript can only work if it is enabled in a user’s browser. For this reason, it can be risky to rely on JavaScript for vitally important parts of a website to function. Our web design experts at Click Consult know how to make full and proper use of JavaScript in web development and web marketing.

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