What is a WEB front-end development engineer?

Commonly referred to as web front-end development engineers (also known as client-side development engineers), they are primarily through front-end technologies such as html, css, JavaScript, ajax, doM (where html, css, JavaScript), which are the basic requirements of web front-end development and the core technologies of the web front end. ) to enable engineers working on Web front-end development. In the early days of web front-end development engineers were affectionately known as "web designers".

Web page production was a product of the Web 1.0 era, when the main content of a Web site was static, and the behavior of users using the Web site was dominated by browsing.

After 2005, the Internet entered the Web 2.0 era, a variety of desktop software-like Web applications emerged in large numbers, the front end of the site has undergone dramatic changes. Web pages are no longer just carrying a single text and pictures, a variety of rich media to make the content of the page more vivid, the software-based interactive form of the web page for users to provide a better experience, these are based on front-end technology to achieve.

With the popularity of the Web 2.0 concept and the spread of W3C organizations, the impact of site refactoring is growing at an alarming rate. XHTML and CSS layout, DHTML, and Ajax are like a whirlwind sweeping through the world, with IT companies of all sizes, including Baidu, Tencent, Taobao, Sina, Sohu, NetEase, etc., refactoring their websites.

The entry threshold for front-end development is actually relatively low, compared with the learning curve of server-side language first slow and then fast, the learning curve of front-end development is fast and then slow. So, front-end development is a good entry point for people working in IT.

Above, a description of why the programming lion/W3Cschool is learning the front end, and the original page address https://www.w3cschool.cn/group/senior/initfrontend and because of this, there are many self-taught peers in the front-end development field, but the learning curve behind it is getting steeper and steeper, making every step of the way difficult. O n the other hand, as mentioned earlier, front-end development is a very new profession, and the study of some norms and best practices is in the exploratory stage. T here are always new inspirations and technologies that flash out from time to time, such as HTML5, CSS3, JavaScript, negative margin layout, raster layout, etc. V arious JavaScript frameworks are emerging, injecting tremendous vitality into the entire front-end development field; B rowser wars are also getting hotter, and cross-browser compatibility options are still varied. In order to meet the need for "high maintainability", a deeper and more systematic grasp of front-end knowledge is required to create a good front-end architecture that guarantees the quality of the code.

Modern web front-end development can no longer be described as a cut chart, css, js as traditional web development. I n the new HTML5 specification, a number of new features are added, which places greater demands on web front-end engineers, such as database operations, drawing using cancvs, css3. It's a big step forward now that you can organize pages using html5 and use css3 drawings, and many elements no longer need to use picture restoration designs.

Javascript is also moving towards a more powerful programming language, and now js has become the default front-end script for major browsers. So javascript is the core of the core, of course, want to become a web front-end engineer, html, css, javascript is still far from enough, and need to master a certain back-end development language, such as java, php and other back-end development scripts, so first to get started on the web front end, in is to constantly learn to constantly enrich their knowledge base, become a good web front-end engineer.

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