Javascript good parts ebook


 

Editorial Reviews. Book Description. Unearthing the Excellence in JavaScript. About the Author eBook features: Highlight, take notes, and search in the book; Length: pages; Enhanced Typesetting: Enabled; Page Flip: Enabled. Kindle e-Readers. Read "JavaScript: The Good Parts The Good Parts" by Douglas Crockford available from Rakuten Kobo. Sign up today and get $5 off your first download. May 8, Considered the JavaScript expert by many people in the development community, author Douglas Crockford identifies the abundance of good ideas that make JavaScript an outstanding object-oriented programming language-ideas such as functions, loose typing, dynamic objects, and an.

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Javascript Good Parts Ebook

largest community for readers. Most programming languages contain good and bad parts, but JavaScript h Shelves: ebook. This book is like the Invisible. May 2, With JavaScript: The Good Parts, you'll discover a beautiful, elegant . Safari offers a solution that's better than e-books. It's a virtual library that. PDF Download JavaScript: The Good Parts Full Online, epub free JavaScript: The Good Parts, ebook free JavaScript: The Good Parts, free ebook JavaScript.

Before winning this name so famous nowadays, JavaScript was called Mocha. When it first shipped in beta releases, it was officially called LiveScript and finally, when it was released by Sun Microsystems, was baptized with the name by which it is known today. Because of the similar names, people confuse JavaScript with Java. Although both have the lexical structure of programming, they are not the same language. It means that it needs an "interpreter". In case of JavaScript, the interpreter is the browser. A good reference to versions, references and news about JavaScript can be found at the Mozilla Developer Network. It provides a structural representation of the document, enabling you to modify its content and visual presentation by using a scripting language such as JavaScript. We recommend that whenever possible you verify your code style and patterns with a Lint tool. This means that JavaScript functions are just a special type of object that can do all the things that regular objects can do. To these developers, the concept and implications of loosely typed variables may be second nature. However, the explosive growth in demand for modern web applications has resulted in a growing number of back-end developers that have had to dip their feet into the pool of client-side technologies.

It means that it needs an "interpreter".

In case of JavaScript, the interpreter is the browser. A good reference to versions, references and news about JavaScript can be found at the Mozilla Developer Network. It provides a structural representation of the document, enabling you to modify its content and visual presentation by using a scripting language such as JavaScript.

We recommend that whenever possible you verify your code style and patterns with a Lint tool. This means that JavaScript functions are just a special type of object that can do all the things that regular objects can do. To these developers, the concept and implications of loosely typed variables may be second nature.

However, the explosive growth in demand for modern web applications has resulted in a growing number of back-end developers that have had to dip their feet into the pool of client-side technologies.

Many of these developers are coming from a background of strongly typed languages, such as C or Java, and are unfamiliar with both the freedom and the potential pitfalls involved in working with loosely typed variables. Source: Understanding Loose Typing in JavaScript Scoping and Hoisting Scoping: In JavaScript, functions are our de facto scope delimiters for declaring vars, which means that usual blocks from loops and conditionals such as if, for, while, switch and try DON'T delimit scope, unlike most other languages.

JavaScript: The Good Parts

Therefore, those blocks will share the same scope as the function which contains them. This way, it might be dangerous to declare vars inside blocks as it would seem the var belongs to that block only. Hoisting: On runtime, all var and function declarations are moved to the beginning of each function its scope - this is known as Hoisting. Most programming languages contain good and bad parts, but JavaScript has more than its share of the bad, having been developed and released in a hurry before it could be refined.

This authoritative book scrapes away these bad features to reveal a subset of JavaScript that's more reliable, readable, and maintainable than the language as a whole—a subset you can use to create truly extensible and efficient code.

Considered the JavaScript expert by many people in the development community, author Douglas Crockford identifies the abundance of good ideas that make JavaScript an outstanding object-oriented programming language-ideas such as functions, loose typing, dynamic objects, and an expressive object literal notation. Unfortunately, these good ideas are mixed in with bad and downright awful ideas, like a programming model based on global variables.

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When Java applets failed, JavaScript became the language of the Web by default, making its popularity almost completely independent of its qualities as a programming language. In JavaScript: The Good Parts, Crockford finally digs through the steaming pile of good intentions and blunders to give you a detailed look at all the genuinely elegant parts of JavaScript, including:.

The real beauty? As you move ahead with the subset of JavaScript that this book presents, you'll also sidestep the need to unlearn all the bad parts.

Of course, if you want to find out more about the bad parts and how to use them badly, simply consult any other JavaScript book. With JavaScript: The Good Parts, you'll discover a beautiful, elegant, lightweight and highly expressive language that lets you create effective code, whether you're managing object libraries or just trying to get Ajax to run fast.

If you develop sites or applications for the Web, this book is an absolute must.

Very concise and on-point description of the core Javascript language. At times I found it a bit too terse though and had to use the Internet for help.

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I was never going to be thrilled with this book because ugh, javascript. But I was expecting more than a typical 2-star throwaway tech book. It was hard to get past the inconsistency globals

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