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Channel

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

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// 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]

Properties

NameTypeAccessMin VersionDescription
color
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
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
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.

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

Parameters

NameTypeDescription
targetDocument?
if specified, duplicate to a different document target.

merge

23.0

Promise<void>

Merges a Spot Color channel into the component channels.


remove

23.0

Promise<void>

Deletes the channel.

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