devtools.panels.onThemeChanged

Syntax

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

Events have three functions:

addListener(listener)

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

listener

The function called when this event occurs. The function is passed this argument:

themeName

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

Examples

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

Browser compatibility