Tag: software development


JavaScript for Web Design

JavaScript for Web Design – Advantages and Disadvantages

This article discusses the good and the bad points of using JavaScript in your website designs. It points out the areas where JavaScript excels as a web based programming language and also describes situations where its use can actually detract from the performance of a website. Browser based programming language First of all, JavaScript is a browser based programming language that actually runs client side. This means that any code that you write in JavaScript is delivered along with your web pages and the scripts that you write actually run from within the users’ browser rather than directly on the server that is serving the web page. There are situations where JavaScript is an excellent solution for implementing neat features in a web design but there are also situations where using JavaScript can hurt your websites performance. It is my aim in this article to describe the best ways to use JavaScript and how to circumnavigate the downsides of using this versatile and powerful scripting language. JavaScript for Web Design – The Advantages JavaScript is an excellent solution to implement when validating input forms on the client side. This means that if a user forgets to enter his name in a form for instance a JavaScript validation function can popup a message to let him know about the omission. This is a far better solution that having a server side validation routine handle the error because the server does not have to do any additional processing. An asp or php routine could be written to achieve the same task but the JavaScript would not allow the form to be submitted unless it was completed properly in the first place, a much more robust solution! Another area where JavaScript excels is in the creation of dynamic effects such as rollover images…

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