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Surma and Jake take a look at 'weak' JavaScript, specifically WeakMap, WeakSet, and the new and shiny WeakRefs. Surma ...

A focus on Events and Event Handlers: we trigger Functions via a button click, and changes to Form Fields. Using Constructor ...

In this episode, Jake and Surma discuss the array function reduce(). Is it good to use it? Is it too “smart”? Does it increase or ...

About us ======= JT Devs is a Software consulting and IT College based. We build different types of applications such as web, ...

Part of the NERSC New User Training on June 16, 2020. Please see ...

Abstract: At NoRedInk we had a normal React code base. That is, until we tried Elm – a purely functional language that compiles ...

In diesem Video schreiben wir ein Programm, um einen String in ein Array aufzuspalten. Schau diese Videoserie von Anfang an: ...

... elements using JavaScript JavaScript Arrays & Objects: Working with complex data structures Error Handling: Using try-catch to ...

A simple, short, and easy to understand introduction to JavaScript's numbers. Unary plus vs. Number vs. parseInt vs. parseFloat: ...

Jake and Surma talk about how they optimized the image rotation code in their app Squoosh, how Hacker News taught them ...

This stream is (probably) the last segment in our journey into porting Java's ConcurrentHashMap to Rust. We start writing some ...

After reading Chapter 3 ("Functions, Methods & Objects"), we'll practice creating an music album collection.

RubyConf 2016 - That Works?! Quines and Other Delightfully Useless Programs by Colin Fulton Performance, readability and ...

Come for the demos, stay for the plausible etymology of “hermit”. We discussed the next round of ReactNative roadblocks: ...

In this Supercharged Live Session, Paul and Surma continue to live code a router, building upon their previous coding session ...

jQuery is a library of helper JavaScript functions and classes and all sorts of goodies, and jQuery kind of abstracts the raw XHR ...

A tutorial on reading Javascript and Rhetmap's data-processing code. The clip is included in “Rhetmap.org: Composing Data for ...

We create a Marvel Super Heroes vs Villains game in this practice. There is a focus on Document Object Model manipulation.

If I have some function and I pass to it an array of 1000 things, does that mean it's going to have to copy all 1000 of those things to ...

When you've got a frontend, a backend, and more in between, how do you debug issues? Lazar Nikolov teaches us how to use ...

In this video, I dive into the intricacies of an ECG waveform game that I've been developing. The game's core mechanic involves ...

RubyConf 2018 - Let's subclass Hash - what's the worst that could happen? by Michael Herold Have you ever been tempted to ...

RubyConf 2016 - Metaprogramming? Not good enough! by Justin Weiss If you know how to metaprogram in Ruby, you can create ...