Getting Started with Web front-end development how, what are the main elements that make up? Web pages produced by front-end development evolved, mainly by HTML, CSS, JavaScript composed of three elements. Professional Web developers getting started with the front end will certainly contain them, the following will give you a brief introduction.
HTML, HTML, an application under the Standard Generalized Markup Language. Including the "head" section (English: Head), and "body" section (in English: Body), in which the "head" section provides information about a web page, the "subject" section provides specific content of the page.
The CSS, Cascading Style Sheets, used to represent an HTML (an application of Standard Generalized Markup Language) or XML (a subset of the Standard Generalized Markup Language) document style like computer language.
JavaScript, one kind of literal scripting language, is a dynamically typed, weakly typed, prototype-based language, built-in support types. Is widely used in Web application development, we used to add functionality to a wide range of dynamic pages, to provide users with a more smooth appearance browsers. JavaScript script is usually to achieve its own function embedded in HTML.
With the rapid development of the Internet era and the business needs change, the three elements of front-end development technology has also evolved into today's HTML5, CSS3, jQuery. Therefore, the content of many Web front-end development of introductory courses has also been some adjustments.
HTML5 is the fifth major revision of HTML, the introduction of new functions on the basis of HTML, you can actually change how users interact with documents, which include: "The new resolution rules increased flexibility, new property and eliminate outdated or redundant attributes; drag and drop functionality between a HTML5 document to another, offline editing, enhanced messaging, detailed parsing rules, and multipurpose Internet Mail extensions protocol handler registered in the SQL database General standard for storing data (WebSQL) and the like. "
CSS3 is an upgraded version of CSS (Cascading Style Sheets) technology, including box model, the list of modules, hyperlinks way, language modules, backgrounds and borders, text effects, multi-column layout modules. CSS can not be statically modified pages, with a variety of scripting languages can also be dynamically formatted for each element on the page.
jQuery, a fast, simple JavaScript framework, which encapsulates the JavaScript code for commonly used functions, provide a simple JavaScript design patterns to optimize HTML document manipulation, event handling, animating and Ajax interactions design. jQuery compatible with all major browsers, the core features can be summarized as follows: the chain has a unique grammar and short clear multi-function interface; highly efficient and flexible css selector, and can be extended CSS selectors; convenient plug-in extensions mechanisms and rich plug-ins.
Can be simply understood, HTML defines the content of the page, CSS decorative layout of the page, the page of jQuery JavaScript behavior is a JavaScript library. If a web page compared to a person, then HTML is the main component of human organs, limbs and so on; CSS is the clothes you wear and the like, make you look more beautiful; JavaScript for people to give more interactivity, such as and to communicate with others, logical judgment; jQuery is people use the Toolbox.
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These are the basic content of the front end of the three elements of the Start Web front-end development, if you want to learn more front-end development technology, you want to accumulate more practical experience in the development, you can choose a professional study.