JS is another term used when describing the programming language designed by the Netscape Company; also known as javascript. This language, which is a compilation of both symbols and numbers, is used to allow the performance of certain functions on a website. The language is written into a website’s HTML code, which allows a specific action to be initiated when a certain action is performed by a website user.

There are different types of JS that perform different functions. Different types of javascript are created when it is combined with other languages, such as when cascading style sheets are combined with javascript to form CSS javascript. The new combination is able to create bold effects when used in dynamic HTML active scripting. A second example of this is PHP javascript; when javascript is combined with a hypertext preprocessor script. The disadvantage of this type is that the javascript leaves no room for error, and will only be displayed correctly if all information is input correctly.

When an Internet user makes their way around the internet by clicking links and interacting with the information on different pages, menus written in JS are triggered. Websites utilize javascript to allow clickable links to open up new pages to show information. While this is a very common use for javascript, it is not the only one. Javascript is also used to make images and text appear when the user rolls their mouse over certain areas of web pages. Another action that javascript is used for is to initiate the activation of annoying popups.

JS can be disabled in order to stop popups or block them. Disabling javascript in this manner can stop the pop ups from opening in the new window and alleviating the necessity of having to close multiple pop up windows. Being able to disable javascript can help prevent dangerous viruses from being activated through a website. One reason why disabling javascript can help prevent virus infections is the fact that without javascript enabled, click-jacking isn’t a problem. Click-jacking is when a virus is slipped into the HTML code for a pop up ad. When the user attempts to close the pop up by hitting the x, the virus is activated on the user’s computer.

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