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Simpson, K: You Don′t Know JS - Scope and Closures

By Kyle Simpson

Product Image: Simpson, K: You Don′t Know JS - Scope and Closures

Simpson, K: You Don′t Know JS - Scope and Closures

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Description
No matter how much experience you have with JavaScript, odds are you don’t fully understand the language. This concise yet in-depth guide takes you inside scope and closures, two core concepts you need to know to become a more efficient and effective JavaScript programmer. You’ll learn how and why they work, and how an understanding of closures can be a powerful part of your development skillset. Like other books in the "You Don’t Know JS" series, Scope and Closures dives into trickier parts of the language that many JavaScript programmers simply avoid. Armed with this knowledge, you can achieve true JavaScript mastery. * Learn about scope, a set of rules to help JavaScript engines locate variables in your code * Go deeper into nested scope, a series of containers for variables and functions * Explore function- and block-based scope, “hoisting”, and the patterns and benefits of scope-based hiding * Discover how to use closures for synchronous and asynchronous tasks, including the creation of JavaScript libraries
Product details
Binding:
Paperback
Edition:
1
Number of Pages:
83
Release Date:
2014-04-29
Publication Date:
2014-04-29
Publisher:
O'Reilly UK Ltd.
Languages:
Published: English, Original: English
ISBN10:
1449335586
ISBN13:
9781449335588
Weight:
168 g
Height:
149 cm
Width:
228 cm
Thickness:
10 cm

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The items bear minimal signs of past use, such as light scratches or memories in the form of markings. These signs of wear give the items a charming character and tell stories of their previous owners, while not affecting their functionality.
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