Commonly, adding semicolons in JavaScript is optional. Simple statements in JavaScript are generally followed by a semicolon character, just as they are in C, C++, and Java. JavaScript, however, allows you to omit this semicolon if each of your statements is placed on a separate line.No need of a semicolon in a function declaration:function functionname(s) { }If the function is written as a statement, it should have a semicolon like any other statement in JavaScript:var a = function functionname(s) { };

The full form of CDATA is Character Data, it is one of the sections in XML which is used to interpret character data. It treats the text data as raw text in character format. The Tags inside a CDATA section are not treated as markup and entities are also not expanded. CDATA section is recognized by the delimiter "]]>" - that indicates the end of the CDATA section. CDATA sections are not nested. Syntax The usage/syntax of CDATA used in XML is − syntax with example:- Example Following is the XML which demonstrates the usage of CDATA ... Read More

HTML stands for Hyper Text Markup Language, which is the most widely used language on Web to develop web pages. HTML was created by Berners-Lee in late 1991 but "HTML 2.0" was the first standard HTML specification which was published in 1995. HTML 4.01 was a major version of HTML and it was published in late 1999. However, HTML 4.01 version is widely used but currently we are having HTML-5 version, which is an extension to HTML 4.01, and this version published in 2012.To learn HTML, refer HTML tutorial. It explains the below given HTML concepts perfectly:HTML Basic TagsElementsAttributesHTML Phrase ... Read More

jQuery is a fast and concise JavaScript Library created by a John Resig in 2006 with a nice motto − Write less, do more.jQuery simplifies HTML document traversing, event handling, animating, and Ajax interactions for rapid web development.Here is the list of important core features supported by jQuery:DOM manipulation − jQuery made it easy to select a DOM elements, traverse them and modifying their content by using a cross-browser open source selector engine called as Sizzle.Event handling − The jQuery offers an elegant way to capture a wide variety of events, such as a user clicking on a link, without ... Read More

JavaScript is a dynamic computer programming language. It is lightweight and most commonly used as a part of web pages, whose implementations allow a client-side script to interact with the user and make dynamic pages. It is an interpreted programming language with object-oriented capabilities.To learn JavaScript, refer to the following tutorial. It explains the below-given JavaScript concepts perfectly.OverviewSyntaxVariablesOperatorsLoop ControlFunctionsEventsCookiesDialog BoxesIt also explains the following advanced topics with live examples.Error HandlingValidationsAnimationMultimediaDebugging

Dojo It is an open source modular JavaScript library came into existence to a develop cross-platform, applications and a websites. It was developed by Alex Russell, Dylan Schiemann and other contributors in 2004. AngularJS AngularJS is an open source web application framework. It was originally developed in 2009 by Misko Hevery and Adam Abrons. It is now maintained by Google. Backbone.js BackboneJS is a lightweight JavaScript library that allows to develop and structure the client side applications that run in a web browser. It offers MVC framework which abstracts data into models, DOM into views and bind these two using ... Read More

The following is the comparison of some JavaScript Frameworks:AngularJSDojoEmber.jsGoogle Web ToolkitDrag & Drop FunctionalityNoYesNoYes, but only with plugins.Provides Simple Visual EffectsYesYesNoYesProvides Rich Text EditorNoYesNoYesSupport For CanvasNoYesNoYesSupport For CanvasNoYesNoYes

AngularJSAngularJS is an open source web application framework. It was originally developed in 2009 by Misko Hevery and Adam Abrons. AngularJS is now maintained by Google.Backbone.jsBackboneJS is a lightweight JavaScript library that allows to develop and structure the client side applications that run in a web browser. It offers MVC framework which abstracts data into models, DOM into views and bind these two using events.Ember.jsEmber.js is an open source, free JavaScript client-side framework used for developing web applications. Ember.js allows building client side JavaScript applications by providing a complete solution which contains a data management and an application flow.The original ... Read More

The following are some of the best JavaScript Libraries:jQueryjQuery is a fast and concise JavaScript Library created by John Resig in 2006 with a nice motto – “Write less, do more”. jQuery simplifies HTML document traversing, event handling, animating, and Ajax interactions for rapid web development.MooToolsMooTools is an object-oriented, lightweight JavaScript framework. The full form of MooTools is My Object-Oriented Tools. It is released under the free, open-source MIT License. It is one of most popular JavaScript libraries. MooTools is a powerful, lightweight JavaScript library. It creates an easy interaction of JavaScript in web development. It can also do many ... Read More

NCSA’s Mosaic was the first popular browser, which released in 1993. After a year, in 1994, Netscape was founded, which came with the web browser Netscape Navigator It gained a lot of popularity in the 1990s. Many Mosaic authors worked for Navigator.Considering the need for users and market trend, Netscape realized that the Web should be more dynamic. Netscape hired Brendan Eich in 1995In 1995, Netscape hired Brendan Eich to implement Scheme in the browser. But, Netscape collaborated with Sun to include Java, in Navigator. Netscape wanted to have a scripting language with a syntax similar to Java. Brendan Eich ... Read More