Float32Array

new Float32Array(); // new in ES2017
new Float32Array(length);
new Float32Array(typedArray);
new Float32Array(object);
new Float32Array(buffer [, byteOffset [, length]]);

TypedArray.

Float32Array.BYTES_PER_ELEMENT

, . Float32Array 4.

Float32Array.length

"" 0. ( ) Float32Array.prototype.length.

Float32Array.name

. Float32Array "Float32Array".

Float32Array.prototype

TypedArray.

Float32Array.from()

Float32Array . Array.from().

Float32Array.of()

Float32Array . Array.of().

Float32Array prototype

`` Float32Array %TypedArray%.prototype.

Float32Array.prototype.constructor

, . Float32Array.

Float32Array.prototype.buffer

ArrayBuffer, Float32Array. .

Float32Array.prototype.byteLength

Float32Array ArrayBuffer. .

Float32Array.prototype.byteOffset

( ) Float32Array ArrayBuffer. .

Float32Array.prototype.length

, Float32Array. .

Float32Array.prototype.copyWithin()

. Array.prototype.copyWithin().

Float32Array.prototype.entries()

Array Iterator, - . Array.prototype.entries().

Float32Array.prototype.every()

, . Array.prototype.every().

Float32Array.prototype.fill()

. Array.prototype.fill().

Float32Array.prototype.filter()

. Array.prototype.filter().

Float32Array.prototype.find()

, , undefined. Array.prototype.find().

Float32Array.prototype.findIndex()

, , -1. Array.prototype.findIndex().

Float32Array.prototype.forEach()

. Array.prototype.forEach().

Float32Array.prototype.includes()

, true false. Array.prototype.includes().

Float32Array.prototype.indexOf()

( ), -1. Array.prototype.indexOf().

Float32Array.prototype.join()

. Array.prototype.join().

Float32Array.prototype.keys()

Array Iterator, . Array.prototype.keys().

Float32Array.prototype.lastIndexOf()

, - 1. Array.prototype.lastIndexOf().

Float32Array.prototype.map()

. Array.prototype.map().

Float32Array.prototype.reduce()

(-) . Array.prototype.reduce().

Float32Array.prototype.reduceRight()

(-) . Array.prototype.reduceRight().

Float32Array.prototype.reverse()

- . Array.prototype.reverse().

Float32Array.prototype.set()

.

Float32Array.prototype.slice()

. Array.prototype.slice().

Float32Array.prototype.some()

true . Array.prototype.some().

Float32Array.prototype.sort()

. Array.prototype.sort().

Float32Array.prototype.subarray()

Float32Array .

Float32Array.prototype.values()

Array Iterator . Array.prototype.values().

Float32Array.prototype.toLocaleString()

. Array.prototype.toLocaleString().

Float32Array.prototype.toString()

. Array.prototype.toString().

Float32Array.prototype[@@iterator]()

Array Iterator .

Float32Array:

//   
var float32 = new Float32Array(2);
float32[0] = 42;
console.log(float32[0]); // 42
console.log(float32.length); // 2
console.log(float32.BYTES_PER_ELEMENT); // 4

//  
var arr = new Float32Array([21, 31]);
console.log(arr[1]); // 31

//   TypedArray
var x = new Float32Array([21, 31]);
var y = new Float32Array(x);
console.log(y[0]); // 21

//   ArrayBuffer
var buffer = new ArrayBuffer(16);
var z = new Float32Array(buffer, 0, 4);

//  
var iterable = (function* () {
  yield* [1, 2, 3];
})();
var float32 = new Float32Array(iterable);
// Float32Array[1, 2, 3]

ECMAScript 2015 (ES6), Float32Array new. Float32Array TypeError.

var dv = Float32Array([1, 2, 3]);
// TypeError: calling a builtin Float32Array constructor
// without new is forbidden

var dv = new Float32Array([1, 2, 3]);

• JavaScript typed arrays
• ArrayBuffer
• DataView