页面滚动键是电脑键盘上Page Up键和Page Down键两个键的合称。
功能
若按下Page Up就将游标或页面上移一个画面。[1]
若按下Page Down就将游标或页面下移一个画面。[1]
参考资料
Wikiwand in your browser!
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.