May 2017
Intermediate to advanced
448 pages
10h 10m
English
Content preview from Learning jQuery 3 - Fifth Edition
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Selector performance
In planning any web development project, we need to keep in mind the time it takes to create the site, the ease and speed with which we can maintain our code, and the performance of the site as users interact with it. Often the first two of these concerns are more important than the third. Especially with client-side scripting, developers can easily fall into the traps of premature optimization and micro-optimization. These pitfalls can cause us to spend countless hours tweaking our code to shave milliseconds from the JavaScript execution time, even when there was no noticeable performance lag in the first place.
A good rule of thumb is to consider the developer's time more valuable than the computer's time, unless users notice ...
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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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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.