Opens an interface (typically a dialog box) for Used to signal the start of a special control sequence of characters Accepts the currently selected option or input method sequence Firefox 36 and earlier generates the value "Exsel" instead of "ExSel" when the ExSel key is pressed. Firefox 36 and earlier generates the value "Crsel" instead of "CrSel" when the CrSel key is pressed. Firefox 36 and earlier uses "Del" instead of "Delete" for the Del key. On keyboards without a dedicated Del key, the Mac generates the "Delete" value when Fn is pressed in tandem with Delete (which is Backspace on other platforms). Position to the end of the current field. Deletes all characters from the current cursor The Cut key (on certain extended keyboards).Įrase to End of Field. The Copy key (on certain extended keyboards). Edge (16 and earlier) and Firefox (36 and earlier) use "Left", "Right", "Up", and "Down" instead of "ArrowLeft", "ArrowRight", "ArrowUp", and "ArrowDown". See Firefox bug Firefox bug 900750 and Chrome bug 25503 for further details. Chrome 67 and Firefox 63 now correctly interpret the right Alt key for keyboard layouts which map that key to AltGr. Firefox generates the key value "OS" for the Super and Hyper keys, instead of "Super" and "Hyper". Firefox did not add support for the Symbol key until Firefox 37. Until that's fixed, these keys are returned as "OS" by Firefox: VK_LWIN (0x5B) and VK_RWIN (0x5C) on Windows, and GDK_KEY_Super_L (0xFFEB), GDK_KEY_Super_R (0xFFEC), GDK_KEY_Hyper_L (0xFFED), and GDK_KEY_Hyper_R (0xFFEE) on Linux. This will be changed in Firefox per Firefox bug 1232918. In Firefox, the Windows key is reported as "OS" instead of as "Meta". The Symbol modifier key (found on certain virtual keyboards). Other) case letters, and to support typing punctuation and other special Modifies keystrokes to allow typing upper (or Toggles the numeric keypadīetween number entry some other mode (often directional arrows). Handled in hardware so that events aren't generated for this key. The function key mode described by "Fn" on and off. The FnLock or F-Lock (Function Lock) key.Toggles Hardware so that events aren't generated for this key. Keyboards without a dedicated function key area. Used to allow generatingįunction key ( F1– F15, for instance) characters on Toggles the capital character lock on and The AltGr or AltGraph (Alternate Graphics) key.Įnables the ISO Level 3 shift modifier (where Shift is the Examples include the Shift and Control keys, and lock keys such as Caps Lock and NumLock. Modifiers are special keys which are used to generate special characters or cause special actions when used in combination with other keys.
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