Fired when a command is executed using its associated keyboard shortcut.
The listener is passed the command's name. This matches the name given to the command in its manifest.json entry .
browser.commands.onCommand.addListener(listener)
browser.commands.onCommand.removeListener(listener)
browser.commands.onCommand.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)
校验是否
listener
is registered for this event. Returns
true
if it is listening,
false
否则。
callback
Function that will be called when a user enters the command's shortcut. The function will be passed the following arguments:
名称
string
. Name of the command. This matches the name given to the command in its
manifest.json entry
.
BCD tables only load in the browser
Given a manifest.json entry like this:
"commands": {
"toggle-feature": {
"suggested_key": {
"default": "Ctrl+Shift+Y"
},
"description": "Send a 'toggle-feature' event"
}
}
You could listen for this particular command like this:
browser.commands.onCommand.addListener(function(command) {
if (command == "toggle-feature") {
console.log("toggling the feature!");
}
});
注意：
This API is based on Chromium's
chrome.commands
API。
最后修改： , 由 MDN 贡献者