javascript / latest / global_objects / dataview / getfloat32.html /

DataView.prototype.getFloat32()

The getFloat32() method gets a signed 32-bit float (float) at the specified byte offset from the start of the DataView.

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Syntax

getFloat32(byteOffset)
getFloat32(byteOffset, littleEndian)

Parameters

byteOffset

The offset, in byte, from the start of the view where to read the data.

littleEndian

Optional Indicates whether the 32-bit float is stored in little- or big-endian format. If false or undefined, a big-endian value is read.

Return value

A signed 32-bit float number.

Errors thrown

RangeError

Thrown if the byteOffset is set such as it would read beyond the end of the view.

Description

There is no alignment constraint; multi-byte values may be fetched from any offset.

Examples

Using the getFloat32 method

var buffer = new ArrayBuffer(8);
var dataview = new DataView(buffer);
dataview.getFloat32(1); // 0

Specifications

Browser compatibility

Desktop Mobile Server
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet Deno Node.js
getFloat32
9
12
15
10
12.1
5.1
4
18
15
12.1
5
1.0
1.0
0.10.0

See also

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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/getFloat32