Channel

Represents a channel in a Photoshop document. You can access instances of channels using one of these methods:

// An array of component channels in the document
const componentChannels = app.activeDocument.componentChannels

// An array of active (selected) channels in the document
const activeChannels = app.activeDocument.activeChannels

// Reference a document's Red channel
const redChannel = app.activeDocument.channels[0]
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1// An array of component channels in the document
2const componentChannels = app.activeDocument.componentChannels
3
4// An array of active (selected) channels in the document
5const activeChannels = app.activeDocument.activeChannels
6
7// Reference a document's Red channel
8const redChannel = app.activeDocument.channels[0]

Properties

Name	Type	Access	Min Version	Description
color	SolidColor	R W	23.0	The color of the channel.
histogram	number[]	R	23.0	A histogram containing the number of pixels at each color intensity level for this channel. The array contains 256 members. The target channel must be visible.
kind	ChannelType	R W	23.0	The type or kind of the channel.
name	string	R W	23.0	The name of the channel. For component channels this name can be localized. *Fixes in Photoshop 24.6* - For component channel it is no longer converted into lowercase and is same as in UI - For component channel it will throw an error if channel no longer exist in document
opacity	number	R W	23.0	The opacity or solidity of the channel.
parent	Document	R	23.0	The containing document.
visible	boolean	R W	23.0	The visibility of the channel.

Methods

duplicate

23.0

async : Promise<void>

Duplicates the channel to the parent document, or a target document if specified.

// duplicate the channel
await channel.duplicate()

// duplicate to a different, compatible document
const newDoc = psApp.documents[1]
await channel.duplicate(newDoc)
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1// duplicate the channel
2await channel.duplicate()
3
4// duplicate to a different, compatible document
5const newDoc = psApp.documents[1]
6await channel.duplicate(newDoc)