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Understanding Advanced JavaScript by Smashing Magazine

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JavaScript Profiling With The Chrome Developer Tools

By Zack Grossbart

Your website works. Now let's make it work faster. Website performance is about two things: how fast the page loads, and how fast the code on it runs. Plenty of services make your website load faster, from minimizers1 to CDNs2, but making it run faster is up to you.

Little changes in your code can have gigantic performance impacts. A few lines here or there could mean the difference between a blazingly fast website and the dreaded “Unresponsive Script” dialog. This chapter shows you a few ways to find those lines of code with Chrome Developer Tools3.

Establish A Baseline

We'll look at a simple application called a color sorter, which presents a grid of rainbow colors that you can ...

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