freelance front end developer salary

some test frameworks to implement Javascript unit tests, such as Jasmine,qunit.Continuous integration of continuous integration (CI), knowing how to configure a set of automated testing and deployment tools for use with partners such as Circleci, Travis CI, Jenkins.Other bonus skills that are very useful↓↓↓ these are not necessary, but can help you stand out:Animate with CSS3, SVG, Canvas API.Back-end development, node. jsFinally: Go find a job!Havin

possible, reduce DOM reflow and repaint operations, prevent scrolling performance bottlenecks, optimize Javascript, Fq read this bar Google Web Developer fundamentals.Use some test frameworks to implement Javascript unit tests, such as Jasmine,qunit.Continuous integration of continuous integration (CI), knowing how to configure a set of automated testing and deployment tools for use with partners such as Circleci, Travis CI, Jenkins.Other bonus skill

This is a hands-on manual that anyone can use to learn the front end, outlining and discussing the practice of front-end engineering: What to learn and what to do in practice.There are two purposes for writing the handbook: one is to provide professional resources for potential and ongoing

Happy Friday, come home early, take a shower to care for the cat housework has finished more than nine points of appearance. Login blog backstage, into the editing page, just feel a little relaxed and comfortable. Not bad, in a day can have such a will immersed in this feeling, enough. In a previous article, we discussed the issues that need learning and attention for practitioners of interactive and visual design-related functions, from the traditional web industry to the mobile application do

appears as shown. Copy request Headers: Copy the HTTP request header to the system Clipboard Copy Response Headers: Copy HTTP response header to system Clipboard Copy Response: Copy HTTP response content to system Clipboard Copy asCurl: Copy the network request as a Curl command character to the system Clipboard (Curl is an open source command-line tool and library for data transfer with URL syntax) Copy all as Har: Copies net

project process, the design team usually needs to first design the mockup or demo (HTML/CSS) interface, and then the developer starts to formally write the code. However, in most cases, developers and designers need to intervene in the early stage of the project to ensure the project progress. The difference is that most developers review and approve the Project Plan (PRD) and prototype review, they are more concerned with technical implementation, a

More and more front-end developers like to develop debug code in Chrome, and Chrome has a number of great plugins that can help front-end developers work much more efficiently. In particular, chrome itself can be logged in, after login all your plugins will automatically sync to every login chrome, very convenient AH.P

options; Visualize and review CSS styles; Accurately simulate device input, such as touch events, geolocation, and device screen orientation. Another cool feature of device mode is the ability to simulate mobile device sensors, such as touch screens and accelerometers, and even change your geographic location.Implementation: ESC key →emulation→enable Emulation→sensors10,workspace editing Local FilesWorkspace the developer tool into a rea

Do the front-end development needs do not need PSRemember before the old club to do a certain system development, was doing interface development, found that the interface also need to add several icons, so the need to feedback to the project manager. After more than 10 minutes, the project manager came to me and told me: the UI designers of the product department (then our UI designers all adjusted to the

At the end of the year, the main write Java has been more than half a year. During this half-year period, I learned to use Spring-boot, learned SQL, and learned to use MongoDB. At first glance, the content of my work seems to be mostly "back-end", so can I calculate a half back-end development? I don't think so.Yes, I started working on Java and databases in the

"Editor's note" In fact, there are many articles about Web page rendering, but the relevant information is more scattered, and the discussion is not very complete. If we want to have a general understanding of this topic, we have to learn a lot of knowledge. As a result, web developer Alexander Skutin decided to write an article. He believes that this article will not only help beginners, but also to those who want to refresh the knowledge structure o

replaced by grunt and yeoman.5, code specification. Jscs and ESLint6. Use Git.7. Generate HTML directly on the server.8. Embrace node. At least know how to initialize a node project if you build an express service ...9. Multi-Read Specification document10. Code Review11. Work with excellent people12, repeat the wheel, avoid take doctrine, prefer to slow some13, write summary, write experience.--------------------------------------------------------------------------------------------------A few