This is why PROFILING is critical for high performance JavaScript @JoshuaMorony
This is why PROFILING is critical for high performance JavaScript  @JoshuaMorony
Uploaded January 2025 | Updated September 2026, 1 week ago
My Angular course: angularstart.com

I was having some performance problems with my JavaScript application, slow frames and memory leaks, and this video shows how I was able to effectively use the browser performance and memory profiling tools to find and fix the issue.

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MY GEAR:
Keyboard: https://adm42.dev/?ref=3
Neovim setup: github.com/joshuamorony/lazyvim
Animations: motioncanvas.io

0:00 Introduction
0:29 Diagnosing lag spike/slow frames
1:16 Using flame graphs/icicle graphs
3:33 Using console.time
4:33 Diagnosing a memory leak
7:00 Finding a memory leak

#angular #javascript

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Joshua Morony |

This is why PROFILING is critical for high performance JavaScript

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