Eloquent JavaScript

This is a book about getting computers to do what you want them to do. Computers are about as common as screwdrivers tod

Below the surface of the machine, the program moves. Without effort, it expands and contracts. In great harmony, electro

And my heart glows bright red under my filmy, translucent skin and they have to administer 10cc of JavaScript to get me

People think that computer science is the art of geniuses but the actual reality is the opposite, just many people doing

On two occasions I have been asked, ‘Pray, Mr. Babbage, if you put into the machine wrong figures, will the right answer

Tzu-li and Tzu-ssu were boasting about the size of their latest programs. ‘Two-hundred thousand lines,’ said Tzu-li, ‘no

The problem with object-oriented languages is they’ve got all this implicit environment that they carry around with them

[...] the question of whether Machines Can Think [...] is about as relevant as the question of whether Submarines Can Sw

Debugging is twice as hard as writing the code in the first place. Therefore, if you write the code as cleverly as possi

Some people, when confronted with a problem, think ‘I know, I’ll use regular expressions.’ Now they have two problems. J

A beginning programmer writes her programs like an ant builds her hill, one piece at a time, without thought for the big

The evaluator, which determines the meaning of expressions in a programming language, is just another program. Hal Abels

The browser is a really hostile programming environment. Douglas Crockford, The JavaScript Programming Language (video l

When you open a web page in your browser, the browser retrieves the page’s HTML text and parses it, much like the way ou

You have power over your mind—not outside events. Realize this, and you will find strength. Marcus Aurelius, Meditations

All reality is a game. Iain Banks, The Player of Games My initial fascination with computers, like that of many kids, o

Drawing is deception. M.C. Escher, cited by Bruno Ernst in The Magic Mirror of M.C. Escher Browsers give us several way

The dream behind the Web is of a common information space in which we communicate by sharing information. Its universali

I shall this very day, at Doctor’s feast, My bounden service duly pay thee. But one thing!—For insurance’ sake, I pray t

I look at the many colors before me. I look at my blank canvas. Then, I try to apply colors like words that shape poems,

A student asked ‘The programmers of old used only simple machines and no programming languages, yet they made beautiful

A skill-sharing meeting is an event where people with a shared interest come together and give small, informal presentat

You can use this page to download source code and solutions to exercises for the book Eloquent JavaScript, and to dire

These are the known mistakes in the second edition of the book. For errata in the first edition, see this page. To repor