devtools.panels.onThemeChanged

Fired when the devtools theme changes.

Syntax

browser.devtools.panels.onThemeChanged.addListener(listener)
browser.devtools.panels.onThemeChanged.removeListener(listener)
browser.devtools.panels.onThemeChanged.hasListener(listener)

Events have three functions:

addListener(callback)

Adds a listener to this event.

removeListener(listener)

Stop listening to this event. The listener argument is the listener to remove.

hasListener(listener)

Check whether listener is registered for this event. Returns true if it is listening, false otherwise.

addListener syntax

Parameters

callback

Function that will be called when this event occurs. The function will be passed the following arguments:

themeName

string. Name of the new theme: this will be one of the permitted values for devtools.panels.themeName.

Browser compatibility

Examples

browser.devtools.panels.onThemeChanged.addListener((newThemeName) => {
  console.log(`New theme: ${newThemeName}`);
});