The getBigUint64()
method gets an unsigned 64-bit integer (unsigned long long) at the specified byte offset from the start of the DataView
.
DataView.prototype.getBigUint64()
Try it
Syntax
getBigUint64(byteOffset) getBigUint64(byteOffset, littleEndian)
Parameters
- byteOffset
-
The offset, in bytes, from the start of the view to read the data from.
- littleEndian
-
Optional Indicates whether the 64-bit int is stored in little- or big-endian format. If
false
orundefined
, a big-endian value is read.
Return value
A BigInt
.
Errors thrown
-
RangeError
-
Thrown if the
byteOffset
is set such that 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 getBigUint64
method
var buffer = new ArrayBuffer(8); var dataview = new DataView(buffer); dataview.getBigUint64(0); // 0n
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 | |
getBigUint64 |
67
|
79
|
68
|
No
|
54
|
15
|
67
|
67
|
68
|
48
|
15
|
9.0
|
1.0
|
10.4.0
|
See also
© 2005–2022 MDN 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/getBigUint64