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JavaScript by Example

You're reading from   JavaScript by Example Learn modern web development with real-world applications

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Product type Paperback
Published in Aug 2017
Publisher Packt
ISBN-13 9781788293969
Length 298 pages
Edition 1st Edition
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Author (1):
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Dani Akash S Dani Akash S
Author Profile Icon Dani Akash S
Dani Akash S
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Toc

Why use a framework?

Modern application development is all about speed, maintainability, and scalability. Given the web is the major platform for many applications, the same will be expected for any web applications. JavaScript may be a great language but writing plain JavaScript can be a tedious process at times when you are dealing with a large application in a team environment.

In such applications, you will have to manipulate a lot of DOM elements. Whenever you make changes to the CSS of a DOM element, it is called a repaint. It will affect how an element appears on the browser. Whenever you remove, change, or add an element in the DOM, then it is called a reflow. A reflow of a parent element causes all its child elements to reflow too. Repaints and reflows are expensive operations because they are synchronous. It means when a repaint or reflow happens, JavaScript will not...

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