DataView.prototype.getFloat64()
The getFloat64() method gets a signed 64-bit float
(double) at the specified byte offset from the start of the DataView.
Syntax
getFloat64(byteOffset)
getFloat64(byteOffset, littleEndian)
Parameters
byteOffset-
The offset, in byte, from the start of the view where to read the data.
littleEndian-
Optional Indicates whether the 64-bit float is stored in little- or big-endian format. If
falseorundefined, a big-endian value is read.
Return value
A signed 64-bit float number.
Errors thrown
RangeError-
Thrown if the
byteOffsetis 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 getFloat64 method
var buffer = new ArrayBuffer(8);
var dataview = new DataView(buffer);
dataview.getFloat64(0); // 0
Specifications
| Specification |
|---|
| ECMAScript Language Specification # sec-dataview.prototype.getfloat64 |
Browser compatibility
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