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TopLevel
Class Int8Array
Object
Int8Array
An optimized array to store 8-bit signed integer numbers. Elements of this array are stored in an ArrayBuffer object.
API Versioned:
From version 21.2.
Constants
BYTES_PER_ELEMENT  :  Number = 1
Number value of the element size.
Properties
buffer  :  ArrayBuffer
The array buffer referenced by this typed array.
byteLength  :  Number
The number of bytes in the array buffer used by this typed array.
byteOffset  :  Number
The start offset for this typed array within the array buffer.
length  :  Number
The number of elements.
Constructor Summary
Int8Array()
Creates an empty array.
Int8Array(length : Number)
Creates an array with the given element count.
Int8Array(typedArray : Object)
Creates an array as a copy of the passed typed array.
Int8Array(array : Array)
Creates an array as a copy of the passed array.
Int8Array(buffer : ArrayBuffer, byteOffset : Number, length : Number)
Creates a typed array as a view on the given ArrayBuffer.
Method Summary
get(index : Number) : Number
Returns the value at the specified index.
set(values : Object, offset : Number) : void
Copies all values from the source array into this typed array.
subarray(begin : Number, end : Number) : Int8Array
Returns a new array object based on the same ArrayBuffer store.
Methods inherited from class Object
assign, create, create, defineProperties, defineProperty, entries, freeze, fromEntries, getOwnPropertyDescriptor, getOwnPropertyNames, getOwnPropertySymbols, getPrototypeOf, hasOwnProperty, is, isExtensible, isFrozen, isPrototypeOf, isSealed, keys, preventExtensions, propertyIsEnumerable, seal, setPrototypeOf, toLocaleString, toString, valueOf, values
Constructor Detail
Int8Array
public Int8Array()
Creates an empty array.
Int8Array
public Int8Array(length : Number)
Creates an array with the given element count.
Parameters:
length - The number of elements.
Int8Array
public Int8Array(typedArray : Object)
Creates an array as a copy of the passed typed array.
Parameters:
typedArray - The source typed array.
Int8Array
public Int8Array(array : Array)
Creates an array as a copy of the passed array.
Parameters:
array - The source array.
Int8Array
public Int8Array(buffer : ArrayBuffer, byteOffset : Number, length : Number)
Creates a typed array as a view on the given ArrayBuffer.
Parameters:
buffer - The array buffer storage object.
byteOffset - Optional. The offset within the array buffer in bytes.
length - Optional. The number of elements for the target typed array. The passed array buffer must be large enough to store the number of elements specified.
Method Detail
get
get(index : Number) : Number
Returns the value at the specified index.
Note: This is not ECMAScript standard. Use array element access syntax for single value access.
Parameters:
index - The index to use.
Returns:
The value at the specified index.
set
set(values : Object, offset : Number) : void
Copies all values from the source array into this typed array.
Parameters:
values - The source values. Can be an array or a typed array.
offset - Optional. Target offset.
subarray
subarray(begin : Number, end : Number) : Int8Array
Returns a new array object based on the same ArrayBuffer store.
Parameters:
begin - Optional. The first included element.
end - Optional. The index of the end. This element is not included.
Returns:
The new array object.

Infocenter Retirement: On June 30, 2023, the Infocenter was retired, and documentation currently hosted on the Infocenter will be published to Salesforce Help, Commerce Cloud Developer Center, and Salesforce B2C Commerce Developer Documentation Resources. For more information, see the release note.