Jason Yu

Jason Yu is a passionate real-life problem solver and musician.

London, UK Joined on Sep 30, 2017 me@ycmjason.com http://www.ycmjason.com

Education

Imperial College London

Work

Software Engineer at Attest

Jason Yu

Nov 6 '21

Detecting barcode from the browser!!!

#webdev #javascript #tutorial #html

53 2

3 min read

Building a Simple Virtual DOM from Scratch

Thank you for your kind words. ❤️

Apr 3

What are the coolest coding + music projects out there?

Definitely not the coolest. But would love to share one of my...

Nov 19 '21

Building a Simple Virtual DOM from Scratch

bindings as in reactivity?

Jul 4 '21

How to create range in Javascript

Looks great to me!

Oct 1 '20

The best example to understand virtual DOM

Nice demonstration! I wrote an article (and gave a talk) on ...

Sep 17 '20

JS / TS?

Aug 10 '20

Thought on Vue 3 Composition API - `reactive()` considered harmful

Exactly! So just use ref!

Aug 3 '20

Thought on Vue 3 Composition API - `reactive()` considered harmful

Yes. I actually proposed that to Evan before too. But after a...

Aug 2 '20

View all 156 comments

Jason Yu

Apr 30 '21

I (roughly) defined (almost) every array method using recursion 😂

#javascript #webdev #recursion

35 1

3 min read

Jason Yu

Apr 22 '21

Code Vlog: Building a Linktree Clone Static Site Generator

#html #css #webdev #typescript

1 min read

Jason Yu

Jun 30 '20

how not to use reduce

#javascript #typescript #webdev #beginners

13 10

1 min read

Jason Yu

Apr 8 '20

Writing cleaner code with the rule of least power #ROLP

#javascript #functional #haskell #typescript

70 5

6 min read

Jason Yu

Feb 25 '20

How to `filter` without `is` in Typescript? the `flatMap` as `filter` technique

#typescript

3 min read

Jason Yu

Feb 19 '20

Recreating Vue 3 Reactivity API (roughly)

#vue #javascript #typescript

10 min read

Jason Yu

Oct 19 '19

Thought on Vue 3 Composition API - `reactive()` considered harmful

#vue #javascript #webdev

157 29

4 min read

Jason Yu

Jun 22 '19

Vue without View - An Introduction to Renderless Components

#vue #webdev

119 5

6 min read

Jason Yu

Feb 19 '19

Frogram - this might be the best way to introduce programming to laymen

#beginners #tutorial #webdev #opensource

32 1

2 min read

Jason Yu

Dec 17 '18

5 Tips for Live-Coding Talks

#livecoding #talks #webdev #vue

5 min read

Jason Yu

Dec 17 '18

Live-coding Wednesdays - codewithjason

#webdev #vue #beginners

7 4

1 min read

Jason Yu

Dec 5 '18

Building a Simple Virtual DOM from Scratch

#javascript #react #vue #beginners

629 51

16 min read

Jason Yu

Sep 11 '18

Limit concurrent asynchronous calls

#javascript #node #tutorial

30 16

4 min read

Jason Yu

Jul 2 '18

Do you know about these SVG techniques?

#showdev #svg #javascript

57 4

4 min read

Jason Yu

Jun 15 '18

Let me explain to you what is `this`. (Javascript)

#javascript #beginners

255 28

3 min read

Jason Yu

Jun 14 '18

Looks like Vue.js will likely out-star React over the weekend!

#showdev #vue #react #webdev

73 5

4 min read

Jason Yu

May 9 '18

My point of "vue" in React vs. Vue

#javascript #vue #react #webdev

98 6

3 min read

Jason Yu

May 3 '18

My attempt on asyncToGenerator()

#javascript

7 2

1 min read

Jason Yu

Apr 28 '18

String.prototype.replace asynchronously?

#javascript #vuepress #vue

14 6

5 min read

Jason Yu

Apr 16 '18

Exploring parcel with Vue.js, the webpack alternative

#javascript #webdev #vue #beginners

3 min read

Jason Yu

Mar 27 '18

Javascript fetch, retry upon failure.

#javascript #fetch #recursion #node

140 14

8 min read

Jason Yu

Mar 13 '18

How do you compare dev.to and medium?

#discuss

20 6

1 min read

Jason Yu

Mar 7 '18

How to make functions partially applicable in Javascript

#javascript #functional

19 8

5 min read

Jason Yu

Mar 3 '18

Is `this` in Javascript bad?

#discuss #javascript

23 37

1 min read

Jason Yu

Mar 2 '18

Here is a little script to grab a list of all font names on Google Fonts.

#showdev #bash #googlefonts #javascript

24 15

2 min read

Jason Yu

Feb 22 '18

Introducing Faviator: A simple easy favicon generator

#showdev #favicon #opensource #npm

38 8

3 min read

Jason Yu

Jan 28 '18

How to organise NPM scripts in package.json?

#node #npm #javascript

24 5

2 min read

Jason Yu

Jan 5 '18

How to create range in Javascript

#javascript

118 53

2 min read

Jason Yu

Oct 4 '17

How to create gitignore file with predefined templates?

#git #gitignore #gitignorer

1 min read

Jason Yu

Oct 4 '17

How to elegantly flatten a list

#javascript #recursion #functional

28 6

2 min read

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Recent comments

Building a Simple Virtual DOM from Scratch

What are the coolest coding + music projects out there?

Building a Simple Virtual DOM from Scratch

How to create range in Javascript

The best example to understand virtual DOM

JS / TS?

Thought on Vue 3 Composition API - `reactive()` considered harmful

Thought on Vue 3 Composition API - `reactive()` considered harmful