The Use of JavaScript

JavaScript is such a great technology - it allows much more interactivity with a website. But it should only be used when it is needed. Create a simple example as follows in your any html page.

<a href="javascript:goToLink('index.html');">Go to Home Page</a>

Now try doing a right-click and Save Target As on the above link. See what you get? This is how it should be coded

<a onClick="javascript:goToLink('index.html');return false;" href="index.html"> Go to Home Page</a>

Now try doing a Save Target As on the above link. You get the Save As dialog. There's also the added advantage of the search engine being able to index the linked page.

Recommendation

This is a very simple example of how an innocent looking code can affect users interacting with it in other ways. Other common misuses of JavaScript

As the main navigation system, sub-sections are fine as long as the main pages have links to the sub-sections in HTML code

To trail a snippet of text or image wherever the cursor moves around the page

To display a document within a page with custom JavaScript scroll bars, breaking the usual way of scrolling. Designer sites love to use this, especially to display News Updates.

To disable right-click or disable selection of text or some more-considerate-webmasters disable right-click on certain parts of the page, like the images. More on this below.

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