ljharb / array_iteration_thoughts.md

Last active April 15, 2025 03:33

Array iteration methods summarized

Array Iteration

https://gist.github.com/ljharb/58faf1cfcb4e6808f74aae4ef7944cff

While attempting to explain JavaScript's reduce method on arrays, conceptually, I came up with the following - hopefully it's helpful; happy to tweak it if anyone has suggestions.

Intro

JavaScript Arrays have lots of built in methods on their prototype. Some of them mutate - ie, they change the underlying array in-place. Luckily, most of them do not - they instead return an entirely distinct array. Since arrays are conceptually a contiguous list of items, it helps code clarity and maintainability a lot to be able to operate on them in a "functional" way. (I'll also insist on referring to an array as a "list" - although in some languages, List is a native data type, in JS and this post, I'm referring to the concept. Everywhere I use the word "list" you can assume I'm talking about a JS Array) This means, to perform a single operation on the list as a whole ("atomically"), and to return a new list - thus making it mu

kenmori / JavaScript.md

Last active May 19, 2025 05:28

JavaScript練習問題集(ECMAScript2015,2016,2017,2018,2019,2020, 2021, 2022, 2023, 2024, 2025, other Library)

JavaScript練習問題集

更新情報

・constをletに修正、問題を追加(2024/9/27)
・問題を追加(2024/7/20)
・問題を追加(2024/4/12)

datchley / react-redux-style-guide.md

Last active March 22, 2025 20:06

React + Redux Style Guide

React/Redux Style Guide

var, let, const 차이점은?

var는 function-scoped이고, let, const는 block-scoped입니다.
function-scoped와 block-scoped가 무슨말이냐?

var(function-scoped)

jsfiddle 참고주소

praveenpuglia / shadow-dom.md

Last active May 3, 2025 10:03

Everything you need to know about Shadow DOM

I am moving this gist to a github repo so more people can contribute to it. Also, it makes it easier for me to version control.

Please go to - https://github.com/praveenpuglia/shadow-dom-in-depth for latest version of this document. Also, if you find the document useful, please shower your love, go ⭐️ it. :)

Shadow DOM

Heads Up! It's all about the V1 Spec.

In a nutshell, Shadow DOM enables local scoping for HTML & CSS.

amysimmons / advanced-js-resources.md

Last active December 9, 2024 07:43

Advanced JavaScript Learning Resources

This is a list of advanced JavaScript learning resources from people who responded to this [Tweet][13] and this [Tweet][20].

[You Don't Know JS][3]
[Frontend Masters courses by Kyle Simpson][12]
[@mpjme][6]'s [YouTube videos][5]

abstractart / books.md

Last active February 28, 2025 11:33

Free Programming Ebooks - O'Reilly Media. Codeship free ebooks here - https://bit.ly/2oQ0knQ

Free Programming Ebooks - O'Reilly Media

Swift Concurrency Manifesto

Author: Chris Lattner

Chinese Translation by Jason Yu

Eric Elliott's "Master the JavaScript Interview" Series

A collection of links to the "Master the JavaScript Interview" series of medium stories by Eric Elliott.

Not part of the series but a good grounding.

Master the JavaScript Interview

Geoff-Ford / composing-software.md

Last active March 14, 2025 20:26

Eric Elliott's Composing Software Series

Eric Elliott's "Composing Software" Series

A collection of links to the excellent "Composing Software" series of medium stories by Eric Elliott.

Edit: I see that each post in the series now has index, previous and next links. However, they don't follow a linear flow through all the articles with some pointing back to previous posts effectively locking you in a loop.

Kranthi Lakum kranthilakum