January 2018
Intermediate to advanced
332 pages
7h 36m
English
Content preview from Hands-On Data Structures and Algorithms with JavaScript
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Declaring the correct DOCTYPE
Have you ever wondered why we have <!DOCTYPE html> at the top of our page? We can clearly leave it out, and still the page seems to work. Then, why exactly do we need this? The answer is avoiding backward compatibility—if we do not specify the DOCTYPE, the browser that is interpreting and rendering our HTML goes into quirks mode, which is a technique to support really old websites that were built with outdated versions and markups of HTML, CSS, and JS. Quirks mode emulates a lot of bugs that existed in the older versions of the browsers, and we do not want to deal with those.
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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