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dataView.getFloat32

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

Syntax

dataview.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

Feature Chrome Edge Firefox Internet Explorer Opera Safari
Basic support 9 12 15 10 12.1 5.1
Feature Android webview Chrome for Android Edge mobile Firefox for Android Opera Android iOS Safari Samsung Internet
Basic support 4 Yes Yes 15 12 4.2 ?

See also

© 2005–2018 Mozilla Developer Network and individual contributors.
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