Uploaded January 2025 | Updated September 2026, 2 weeks ago
Sets are a great way to boost the performance of your JavaScript or TypeScript application. Explore all of the features of Sets, including the new 2025 methods.
Code: github.com/jherr/javascript-sets
👉 ProNextJS Course: https://pronextjs.dev
👉 Don't forget to subscribe to this channel for more updates: bit.ly/2E7drfJ
👉 Discord server signup: discord.gg/ddMZFtTDa5
👉 VS Code theme and font? Night Wolf [black] and Operator Mono
👉 Terminal Theme and font? oh-my-posh with custom prompt and SpaceMono NF
00:00 Introduction
00:19 Jupyter Notebooks with JavaScript
00:53 Creating Sets
03:35 Looking Up Values in a Set
05:04 Comparing Sets
08:16 Set Performance vs Arrays
09:34 Building Pub Sub with Set
12:35 Outroduction
Sets are a great way to boost the performance of your JavaScript or TypeScript application. Explore all of the features of Sets, including the new 2025 methods.
Code: github.com/jherr/javascript-sets
👉 ProNextJS Course: https://pronextjs.dev
👉 Don't forget to subscribe to this channel for more updates: bit.ly/2E7drfJ
👉 Discord server signup: discord.gg/ddMZFtTDa5
👉 VS Code theme and font? Night Wolf [black] and Operator Mono
👉 Terminal Theme and font? oh-my-posh with custom prompt and SpaceMono NF
00:00 Introduction
00:19 Jupyter Notebooks with JavaScript
00:53 Creating Sets
03:35 Looking Up Values in a Set
05:04 Comparing Sets
08:16 Set Performance vs Arrays
09:34 Building Pub Sub with Set
12:35 Outroduction
