DataView.prototype.getFloat32()

Baseline

20157

getFloat32() DataView DataView 4 32

// ArrayBuffer 
const buffer = new ArrayBuffer(16);

const view = new DataView(buffer);
view.setFloat32(1, Math.PI);

console.log(view.getFloat32(1));
// : 3.1415927410125732

getFloat32(byteOffset)
getFloat32(byteOffset, littleEndian)

byteOffset
littleEndian: false undefined

-3.4e38 3.4e38

RangeError: byteOffset

getFloat32()

const { buffer } = new Uint8Array([0, 1, 2, 3, 4, 5, 6, 7, 8, 9]);
const dataview = new DataView(buffer);
console.log(dataview.getFloat32(1)); // 2.387939260590663e-38


ECMAScript 2027 LanguageSpecification # sec-dataview.prototype.getfloat32

JavaScript
DataView
ArrayBuffer
Float32Array

MDN

MDN 202634

GitHub

DataView
1. DataView()
Object/Function
1. __proto__
2. constructor