The TypedArray.of()
method creates a new typed array with a variable number of arguments. This method is nearly the same as Array.of()
.
Syntax
TypedArray.of(element0[, element1[, ...[, elementN]]])
where TypedArray is one of:
Int8Array
Uint8Array
Uint8ClampedArray
Int16Array
Uint16Array
Int32Array
Uint32Array
Float32Array
Float64Array
Parameters
elementN
- Elements of which to create the typed array.
Return value
A new TypedArray
instance.
Description
Some subtle distinctions between Array.of()
and TypedArray.of()
:
- If the
this
value passed toTypedArray.of
is not a constructor,TypedArray.of
will throw aTypeError
, whereArray.of
defaults to creating a newArray
. TypedArray.of
uses[[Put]]
whereArray.of
uses[[DefineProperty]]
. Hence, when working withProxy
objects, it callshandler.set
to create new elements rather thanhandler.defineProperty
.
Examples
Uint8Array.of(1); // Uint8Array [ 1 ] Int8Array.of('1', '2', '3'); // Int8Array [ 1, 2, 3 ] Float32Array.of(1, 2, 3); // Float32Array [ 1, 2, 3 ] Int16Array.of(undefined); // IntArray [ 0 ]
Specifications
Specification | Status | Comment |
---|---|---|
ECMAScript 2015 (6th Edition, ECMA-262) The definition of '%TypedArray%.of' in that specification. |
Standard | Initial definition. |
ECMAScript 2017 Draft (ECMA-262) The definition of '%TypedArray%.of' in that specification. |
Draft |
Browser compatibility
Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
---|---|---|---|---|---|
Basic support | 45.0 | 38 (38) | No support | No support | No support |
Feature | Android | Chrome for Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|---|
Basic support | No support | No support | 38.0 (38) | No support | No support | No support |