<!-- this will fire even if Alt or Shift is also pressed, it means if we click other key with ctrl then it will work -->
<button @click.ctrl="onClick">A</button>
<!-- this will only fire when Ctrl and no other keys are pressed, it means if we click other key with ctrl then it will not work -->
<button @click.ctrl.exact="onCtrlClick">A</button>
<!-- this will only fire when no system modifiers are pressed -->
<button @click.exact="onClick">A</button>
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