Ved Antani, Gaston C. Hillar, Stoyan Stefanov, Kumar Chetan's Javascript Object Oriented Programming PDF

By Ved Antani, Gaston C. Hillar, Stoyan Stefanov, Kumar Chetan Sharma

ISBN-10: 1787123596

ISBN-13: 9781787123595

Build refined net purposes by way of learning the artwork of Object-Oriented Javascript

About This Book

  • Learn renowned Object-Oriented programming (OOP) ideas and layout styles to construct strong apps
  • Implement Object-Oriented thoughts in a variety of frontend architectures
  • Capture gadgets from real-world components and create object-oriented code that represents them
  • Learn the most recent ES6 beneficial properties and the way to check and debug matters with JavaScript code utilizing numerous smooth mechanisms

Who This booklet Is For

JavaScript builders seeking to increase their internet advancements talents by means of studying object-oriented programming.

What you'll Learn

  • Get conversant in the fundamentals of JavaScript language constructs besides object-oriented programming and its application.
  • Learn to construct scalable server software in JavaScript utilizing Node.js
  • Generate cases in 3 programming languages: Python, JavaScript, and C#
  • Work with a mix of entry modifiers, prefixes, homes, fields, attributes, and native variables to encapsulate and conceal data
  • Master DOM manipulation, cross-browser ideas, and ES6
  • Identify and follow the most typical layout styles equivalent to Singleton, manufacturing facility, Observer, Model-View-Controller, and Mediator Patterns
  • Design purposes utilizing a modular structure in line with sturdy principles

    In Detail

    JavaScript is the habit, the 3rd pillar in modern-day paradigm that appears at websites as anything that involves : content material (HTML), presentation (CSS), and behaviour (JavaScript). utilizing JavaScript, you could create interactive websites in addition to computing device widgets, browser, and alertness extensions, and different items of software program. Object-oriented programming, that is popularly referred to as OOP, is largely in keeping with the idea that of gadgets instead of actions.

    The first module can help you grasp JavaScript and construct futuristic internet purposes. you are going to commence by way of getting familiar with the language constructs and the way to arrange code simply. You enhance concrete knowing of variable scoping, loops, and most sensible practices on utilizing forms and knowledge constructions, in addition to the coding variety and instructed code association styles in JavaScript. The booklet also will train you ways to take advantage of arrays and gadgets as facts buildings. through the tip of the publication, you'll know how reactive JavaScript goes to be the recent paradigm.

    The moment module is an easy-to-follow direction, along with hands-on examples of suggestions to universal issues of object-oriented code. it's going to aid to spot items from real-life situations, to guard and conceal facts with the information encapsulation positive factors of Python, JavaScript, and C#. you will find the good thing about duck typing in either Python and JavaScript, when you paintings with interfaces and generics in C#. With a good figuring out of interfaces, a number of inheritance, and composition, you are going to flow directly to refactor present code and to prepare your resource for simple upkeep and extension.

    The 3rd module takes you thru all of the in-depth and fascinating futures hidden in the back of the facade. you have to learn via this path on the way to have the capacity to take your JavaScript abilities to a brand new point of sophistication.

    Style and approach

    This path is a entire consultant the place each one bankruptcy contains most sensible practices, confident recommendation, and few easy-to-follow examples that may increase your abilities as you develop during the e-book. Get item orientated with this path, which takes you on a trip to get familiar with few worthy hands-on instruments, positive factors, and how you can increase your productiveness utilizing OOP options. it is going to additionally act as a reference consultant with worthy examples on resolving issues of object-oriented code in Python, JavaScript, and C#.

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Additional resources for Javascript Object Oriented Programming

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Let's see the following code: //Cramped style (Bad) if(condition) doSomeTask(); while(condition) i++; for(var i=0;i<10;i++) iterate(); //Use whitespace for better readability (Good) [ 34 ] Chapter 1 //Place 1 space before the leading brace. if (condition) { // statements } while ( condition ) { // statements } for ( var i = 0; i < 100; i++ ) { // statements } // Better: var i, length = 100; for ( i = 0; i < length; i++ ) { // statements } // Or... var i = 0, length = 100; for ( ; i < length; i++ ) { // statements } var value; for ( value in object ) { // statements } if ( true ) { // statements } else { // statements } [ 35 ] JavaScript Primer //Set off operators with spaces.

So what is Scope? In JavaScript, scope refers to the current context of code. A variable's scope is the context in which the variable exists. The scope specifies from where you can access a variable and whether you have access to the variable in that context. Scopes can be globally or locally defined. [ 52 ] Chapter 2 Global scope Any variable that you declare is by default defined in global scope. This is one of the most annoying language design decisions taken in JavaScript. As a global variable is visible in all other scopes, a global variable can be modified by any scope.

The following statements are affected by ASI: • An empty statement • A var statement • An expression statement • A do-while statement • A continue statement • A break statement • A return statement • A throw statement The idea behind ASI is to make semicolons optional at the end of a line. This way, ASI helps the parser to determine when a statement ends. Normally, it ends with a semicolon. log(a); In the following code, the statement inside the braces is not terminated by a semicolon: function add(a,b) { return a+b } ASI creates a syntactically correct version of the preceding code: function add(a,b) { return a+b; } [ 33 ] JavaScript Primer JavaScript style guide Every programming language develops its own style and structure.

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Javascript Object Oriented Programming by Ved Antani, Gaston C. Hillar, Stoyan Stefanov, Kumar Chetan Sharma

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Categories: Object Oriented Design