Name: You Don't Know JS
ISBN: 9781336215269

You Don't Know JS

No matter how much experience you have with JavaScript, odds are you don’t fully understand the language. As part of the "You Don’t Know JS" series, this compact guide focuses on new features available in ECMAScript 6 (ES6), the latest version of the standard upon which JavaScript is built. Like other books in this series, You Don’t Know JS: ES6 & Beyond dives into trickier parts of the language that many JavaScript programmers either avoid or know nothing about. Armed with this knowledge, you can achieve true JavaScript mastery. With this book, you will: Learn new ES6 syntax that eases the pain points of common programming idioms Organize code with iterators, generators, modules, and classes Express async flow control with Promises combined with generators Use collections to work more efficiently with data in structured ways Leverage new API helpers, including Array, Object, Math, Number, and String Extend your program’s capabilities through meta programming Preview features likely coming to JS beyond ES6

What Hacker News says

cluckindanJul 2025

Tagged templates probably won’t help, or will be quite messy. But you can just use a thunk with some parameter destructuring:

    const tpl = ({ name }) => 
      `hello ${name}`;
    const n1 = tpl({ name: "joe" });
    const n2 = tpl({ name: "bob" });

Or if you don’t like the duplication of property names, you could do it without destructuring:

    const tpl = (o) => 
      `hello ${o.name}`;

Look for the free online book ”You don’t know JS”, it is good reading.

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dabberAug 2024

I'm surprised that Kyle Simpson's, _You Don't Know JS_ hasn't been mentioned in this thread.

https://github.com/getify/You-Dont-Know-JS

When I was beginning to develop a deeper understanding of JS a few years ago, that book, Kyle's talks, and conference presentations by Chrome's V8 team were very helpful for me. It looks like Kyle has expanded the content considerably since then too.

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fabianholzerJul 2024

Kyle Simpson "You don't know JS" - I read the first edition cover to cover, and can unreservedly recommend it.

https://github.com/getify/You-Dont-Know-JS

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kabesMar 2024

+1 for "You don't know js", it's a must read for any js programmer IMO.

I haven't read eloquent JS though, you say it's a different level of learner. Can you expand a bit? Is Eloquent for after "you don't know js" or vice-versa?

Edit: nevermind, reading the TOC of eloquent JS gave me a good enough idea

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id00Aug 2023

I remember "JavaScript: The Good Parts" by Douglas Crockford touched some parts in depth.

Also "You Don't Know JS Yet" has some depth in it https://github.com/getify/You-Dont-Know-JS

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rshnotsecureMay 2023

You Don't Know JS by Kyle Simpson. The PDFs are one of the most starred repos on GitHub: https://github.com/getify/You-Dont-Know-JS

Also more to your question, "The Browser Hacker's Handbook" and "The Web Application Hacker's Handbook" I also think are really helpful in understanding how browsers work. Sadly a not better documented subject.

Visiting the list of APIs on Mozilla's website is also helpful.

https://developer.mozilla.org/en-US/docs/Web/API

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