DataView.prototype.getFloat32()

// 创建一个以字节为单位指定大小的 ArrayBuffer
const buffer = new ArrayBuffer(16);

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

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

getFloat32(byteOffset)
getFloat32(byteOffset, littleEndian)

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