W3cubDocs

/JavaScript

dataView.setFloat32

The setFloat32() method stores a signed 32-bit float (float) value at the specified byte offset from the start of the DataView.

Syntax

dataview.setFloat32(byteOffset, value [, littleEndian])

Parameters

byteOffset
The offset, in byte, from the start of the view where to store the data.
value
The value to set.
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 written.

Return value

undefined.

Errors thrown

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

Examples

Using the setFloat32 method

var buffer = new ArrayBuffer(8);
var dataview = new DataView(buffer);
dataview.setFloat32(1, 3);
dataview.getFloat32(1); // 3

Specifications

Browser compatibilityUpdate compatibility data on GitHub

Desktop
Chrome Edge Firefox Internet Explorer Opera Safari
setFloat32 9 12 15 10 12.1 5.1
Mobile
Android webview Chrome for Android Firefox for Android Opera for Android Safari on iOS Samsung Internet
setFloat32 4 18 15 12.1 4.2 1.0
Server
Node.js
setFloat32 0.10

See also

© 2005–2018 Mozilla Developer Network and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://wiki.developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/setFloat32