JavaScript

INDEX

Symbols

• … (rest syntax, spread syntax), 51, 127–128, 143–144, 164, 172–173
• [ ] (square brackets), 74–75, 106–107
• { } (curly braces), 321
• ** (exponentiation operator), 468–470
• #! (hashbang), 536–537
• %AsyncIteratorPrototype%, 234
• %IteratorPrototype%, 233–234
• %TypedArray%.prototype.set, 290–291
• %TypedArray%.prototype.subarray, 291
• ` (backtick), 242
• || (logical OR) operator, 475–476
• ?? (nullish coalescing operator), 171, 475–476
• ?. (optional chaining operator), 135, 476–478

A

• abstract classes, 99–100
• accessor properties, 67, 73–74
  • Reflect, 369
• accessors, private, 511
• AMD (Asynchronous Module Definition), 320
• animate function, 47
• Annex B, 481–488
• anonymous functions
  • block scope and, 37–38
  • name property, 53–54
• argument lists, trailing commas, 52–53
• arguments pseudo-array, 50–51
• arguments versus parameters, 40
• arity of a function, 49–50
• array indexes, 125
• Array.from method, 264–266
• Array.of method, 264
• Array.prototype.copyWithin method, 269–271
• Array.prototype.entries method, 268–269
• Array.prototype.fill method, 273–274
• Array.prototype.find method, 271–272
• Array.prototype.findIndex method, 273
• Array.prototype.flat method, 275–276
• Array.prototype.flatMap method, 276
• Array.prototype.includes method, 274–275
• Array.prototype.keys method, 266–267
• Array.prototype.values method, 267–268
• ArrayBuffer, 282–284, 418
  • byte order, 284–285
  • sharing, 287–289
• arrays
  • destructuring, 169–170
  • filtering, arrow functions, 40–41
  • for-in and, 133
  • methods, 264–276
  • range arrays, 266
  • typed, ...