InputEvent Object
modifiersstring[] (optional) -An array of modifiers of the event, can be事件的修饰符数组,可以是shift,control,ctrl,alt,meta,command,cmd,isKeypad,isAutoRepeat,leftButtonDown,middleButtonDown,rightButtonDown,capsLock,numLock,left,right.shift、control、ctrl、alt、meta、command、cmd、isKeypad、isAutoRepeat、leftButtonDown、middleButtonDown、rightButtonDown、capsLock、numLock、left、right。