JavaScript for Web Design – Benefits and Disadvantages

JavaScript for Web Design – Benefits and Disadvantages


This report discusses the good and the bad points of using JavaScript on your web site layouts. It points out the regions where JavaScript excels as a web and describes scenarios where its use can detract from the performance of an internet web site.

First of all is a browser based language which in fact runs client side. It follows that any code that you write in JavaScript is sent alongside the scripts as well as your webpages that you write run from inside the consumers’ browser instead of directly on the host that’s currently serving the webpage. There are scenarios where JavaScript is a superb solution for implementing features but in addition, there are scenarios where using JavaScript may damage your sites performance. It’s my goal in this guide to describe the best methods to use JavaScript and the way to circumnavigate the drawbacks of working with this powerful and flexible scripting language.

JavaScript for Web Layout – The Benefits:

JavaScript is a great remedy to execute if validating input forms on the client side. This implies that if a person forgets to enter his name in a form for example that a JavaScript validation function can popup a message. This is a alternative that using because the host doesn’t need to do any processing, a server side validation regular handle the mistake. An asp or php pattern could be composed to get the same job but the JavaScript might not enable the form to be submitted unless it had been completed in the first place, a more potent solution!

Another area is in the introduction of effects like rollover pictures and slideshows that are scripted, in which its use is becoming commonplace. It may be employed after the host has delivered the webpage to modify the overall look of the users display since JavaScript runs within the customers browser. This enables it to make some dynamic picture effects that are impressive.

JavaScript for Web Layout – The Disadvantages:

Among the draw backs to using JavaScript is that it tends to bloat webpages. Code can add up to tens of thousands of lines of code if you’re using it to do anything remotely interesting. Having said that sending the JavaScript code off readily solves the issue of big chunks of JavaScript code . js extension. This frees your webpage code up is stored to the HTML page itself, leaving a cleaner and more readable webpage.

Due to the tendency of JavaScript it can be injurious to your web site’s search engine friendliness. This is because every time a search engine arrives in your website searching for quality articles and key words to ascertain exactly what your page is al aroundis hundreds of lines of JavaScript code. This issue can be solves by storing off code in script files using a . Connecting and js extension into the script file on your HTML documents.


JavaScript is a feature helpful and rich browser based script which if used correctly can attain some results and enhance the experience for your end user. There are downsides to its use in. The thing is to acquire the best of both worlds by using code in script files. So that you get of the advantage of JavaScript performance but without the effects of the code bloating, this way the code is split out of your articles.