あまり知らない JavaScript

https://developer.mozilla.org/ja/docs/Web/JavaScript/Guide/Iterators_and_Generators

https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Global_Objects/Iterator

https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Global_Objects/Generator

https://developer.mozilla.org/ja/docs/Web/API/XMLHttpRequest

https://developer.mozilla.org/ja/docs/Web/JavaScript/Guide/Meta_programming

https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Global_Objects/Proxy

https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Global_Objects/Reflect

https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Global_Objects/Int16Array

https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Global_Objects/Int32Array

https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Global_Objects/Int8Array

https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Global_Objects/TypedArray

https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Global_Objects/Uint16Array

https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Global_Objects/Uint32Array

https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Global_Objects/Uint8Array

https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Global_Objects/Uint8ClampedArray

https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Global_Objects/SharedArrayBuffer

https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Global_Objects/WeakMap

https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Global_Objects/WeakRef

https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Global_Objects/WeakSet/

https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Regular_expressions

https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Operators/import.meta

https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Strict_mode

https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Functions/arguments