Understanding the ECMAScript spec, part 1 · V8

Show navigation All episodes In this article, we take a simple function in the spec and try to understand the notation. Let’s go! Preface #Even if you know JavaScript, reading its language specification, ECMAScript Language specification, or the ECMAScript spec for short, can be pretty daunting. At least that’s how I felt when I started reading it for the first time. Let’s start with a concrete ex

[ginpei]

ES仕様書の読み方、連載第1回。V8開発者ブログ。ESではない仕様書固有の操作や、`[[ ]]`、（やはりESの演算子ではなく仕様書における）`?`、`!`といった記号の意味など。

[efcl]

ECMAScript仕様で使われる構文などの読み方について。 `[[Expression]]`のInternal Slot、Internal Method、Completion records、`?` 構文について