By Dmitry Sheiko
ISBN-10: 1785881574
ISBN-13: 9781785881572
Improve your code maintainability, functionality, and safety via sensible professional insights and release the complete strength of JavaScript
About This Book
- Improve your JavaScript code for higher maintainability and performance
- Discover the way to enforce scalable program structure with JavaScript
- Learn to exploit JavaScript in the back of the browser, together with its command-line instruments, computer apps, and local cellular apps
Who This publication Is For
JavaScript Unlocked is for these JS builders who are looking to see simply how a long way they could push their favorite language via sensible perception and techniques.
What you'll Learn
- Make your code readable and expressive through the use of uncomplicated syntax of JavaScript
- Grasp current JavaScript collections akin to arrays and array-like objects
- Develop summary information forms in most popular method to expand JavaScript right into a extra versatile and strong programming language
- Examine the professionals and cons of JavaScript via imposing real-time code examples
- Flourish real-time mini-projects through the use of JavaScript on server part to enhance computing device in addition to cellular applications
- Work on parallel initiatives with asynchronous JavaScript
- Improve code maintainability and clarity and strengthen apps functionality via JavaScript
In Detail
JavaScript stands bestride the realm like a colossus. Having conquered net improvement, it now advances into new components reminiscent of server scripting, computer and cellular improvement, online game scripting, and extra. essentially the most crucial languages for any glossy developer, the fully-engaged JavaScript programmer want to know the methods, non-documented positive aspects, quirks, and most sensible practices of this robust, adaptive language.
This all-practical consultant is filled with code recipes and keys that can assist you free up the whole capability of JavaScript. begin by means of diving correct into the middle of JavaScript, with energy consumer strategies for buying larger maintainability and function from the elemental development blocks of your code. become familiar with modular programming to deliver genuine energy to the browser, grasp client-side JavaScript scripting with out jQuery or different frameworks, and notice the entire strength of asynchronous coding. Do good stuff with HTML5 APIs, together with development your first net part, take on the fundamental specifications of writing large-scale functions, and optimize JavaScript's functionality in the back of the browser. Wrap up with in-depth recommendation and top perform for debugging and maintaining your JavaScript maintainable for scaling, long term tasks. With each activity proven in either vintage ES5 JavaScript and subsequent new release ES6-7 models of the language, even if learn cover-to-cover or dipped into for particular keys and recipes, JavaScript Unlocked is your crucial advisor for pushing JavaScript to its limits.
Style and approach
This practice-oriented cookbook is packed jam-packed with code examples installed the shape: challenge, classical answer, and techniques to optimize website in either JavaScript ES5 and ES6 language versions. yet this thorough advisor is best-suited to people who wish to “learn by means of doing” because the subject matters are coated utilizing real-life examples and tutorials.
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Additional info for Javascript Unlocked
Example text
This object has special properties such as requireType (a string containing error types such timeout, nodefine, scripterror) and requireModules (an array of module IDs affected by the error). requireModules ); }); In a well-grained design, modules are numerous and are allocated to a directory tree. In order to avoid relative path computation every time, you can configure the script loader once. baz ); }); This gives a bonus. Now if we decided to change a module file name, we do not need to modify every other module that requires it.
Log( foo() ); // foo We exported a function and came with the import. This could also be a class or an object. In AMD, we receive exports as callback arguments, and in CommonJS, as local variables. Though ES6 doesn't export values, but it exports the so called bindings (references) that are immutable. You can read their values, but if you try changing them, you get a type error. log( bar ); // baz bar = "qux"; // TypeError The module loader API In addition to declarative syntax in a separate specification (https://github.
This must be a storage that has the getItem method to retrieve stored values and the setItem method to set them. aKey = "value"). bar ); // baz Summary This chapter gives practices and tricks on how to use the JavaScript core features for the maximum effect. In the next chapter, we will talk about module concepts and we will do a walkthrough on scopes and closures. The next chapter will explain the scope context and the ways to manipulate it. [ 29 ] Modular Programming with JavaScript Engineering in general is all about splitting large tasks into small ones and composing the solutions of these tasks in a system.
Javascript Unlocked by Dmitry Sheiko
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