![]() Microsoft FrontPage − Microsoft has developed a popular HTML editor called FrontPage. To make our life simpler, various vendors have come up with very nice JavaScript editing tools. Since it is an interpreted language inside the context of a web browser, you don't even need to buy a compiler. You can start with a simple text editor such as Notepad. One of major strengths of JavaScript is that it does not require expensive development tools. Once again, JavaScript is a lightweight, interpreted programming language that allows you to build interactivity into otherwise static HTML pages. JavaScript doesn't have any multi-threading or multiprocessor capabilities. JavaScript cannot be used for networking applications because there is no such support available. It lacks the following important features −Ĭlient-side JavaScript does not allow the reading or writing of files. We cannot treat JavaScript as a full-fledged programming language. Richer interfaces − You can use JavaScript to include such items as drag-and-drop components and sliders to give a Rich Interface to your site visitors. Increased interactivity − You can create interfaces that react when the user hovers over them with a mouse or activates them via the keyboard. ![]() Immediate feedback to the visitors − They don't have to wait for a page reload to see if they have forgotten to enter something. This saves server traffic, which means less load on your server. Less server interaction − You can validate user input before sending the page off to the server. JavaScript can be used to trap user-initiated events such as button clicks, link navigation, and other actions that the user initiates explicitly or implicitly. The JavaScript code is executed when the user submits the form, and only if all the entries are valid, they would be submitted to the Web Server. For example, you might use JavaScript to check if the user has entered a valid e-mail address in a form field. The JavaScript client-side mechanism provides many advantages over traditional CGI server-side scripts. It means that a web page need not be a static HTML, but can include programs that interact with the user, control the browser, and dynamically create HTML content. The script should be included in or referenced by an HTML document for the code to be interpreted by the browser. Complementary to and integrated with HTML.Ĭlient-side JavaScript is the most common form of the language.Complementary to and integrated with Java.Designed for creating network-centric applications.JavaScript is a lightweight, interpreted programming language.The ECMA-262 Specification defined a standard version of the core JavaScript language. The general-purpose core of the language has been embedded in Netscape, Internet Explorer, and other web browsers. JavaScript made its first appearance in Netscape 2.0 in 1995 with the name LiveScript. JavaScript was first known as LiveScript, but Netscape changed its name to JavaScript, possibly because of the excitement being generated by Java. It is an interpreted programming language with object-oriented capabilities. It is lightweight and most commonly used as a part of web pages, whose implementations allow client-side script to interact with the user and make dynamic pages. JavaScript is a dynamic computer programming language. JavaScript - Overview What is JavaScript ?
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