Right-Click Menus
`contextmenu` Event
Right-click on the text below.
右鍵點選方框後跑出彈跳視窗，選擇Green項目，會呈現更多選擇。
右鍵點擊本區文字Lorem ipsum dolor sit amet, consectetur adipisicing elit. Sed alias iusto iure est veritatis ipsum voluptas nesciunt impedit, quam, distinctio nulla illo obcaecati expedita libero, fugiat porro, unde voluptate rem.