javascript keyboard key w code example

Example: javascript keyboard key codes

KeyCode = {
      BACKSPACE: 8,
      TAB: 9,
      ENTER: 13,
      SHIFT: 16,
      CTRL: 17,
      ALT: 18,
      PAUSE: 19,
      CAPS_LOCK: 20,
      ESCAPE: 27,
      SPACE: 32,
      PAGE_UP: 33,
      PAGE_DOWN: 34,
      END: 35,
      HOME: 36,
      LEFT_ARROW: 37,
      UP_ARROW: 38,
      RIGHT_ARROW: 39,
      DOWN_ARROW: 40,
      INSERT: 45,
      DELETE: 46,
      KEY_0: 48,
      KEY_1: 49,
      KEY_2: 50,
      KEY_3: 51,
      KEY_4: 52,
      KEY_5: 53,
      KEY_6: 54,
      KEY_7: 55,
      KEY_8: 56,
      KEY_9: 57,
      KEY_A: 65,
      KEY_B: 66,
      KEY_C: 67,
      KEY_D: 68,
      KEY_E: 69,
      KEY_F: 70,
      KEY_G: 71,
      KEY_H: 72,
      KEY_I: 73,
      KEY_J: 74,
      KEY_K: 75,
      KEY_L: 76,
      KEY_M: 77,
      KEY_N: 78,
      KEY_O: 79,
      KEY_P: 80,
      KEY_Q: 81,
      KEY_R: 82,
      KEY_S: 83,
      KEY_T: 84,
      KEY_U: 85,
      KEY_V: 86,
      KEY_W: 87,
      KEY_X: 88,
      KEY_Y: 89,
      KEY_Z: 90,
      LEFT_META: 91,
      RIGHT_META: 92,
      SELECT: 93,
      NUMPAD_0: 96,
      NUMPAD_1: 97,
      NUMPAD_2: 98,
      NUMPAD_3: 99,
      NUMPAD_4: 100,
      NUMPAD_5: 101,
      NUMPAD_6: 102,
      NUMPAD_7: 103,
      NUMPAD_8: 104,
      NUMPAD_9: 105,
      MULTIPLY: 106,
      ADD: 107,
      SUBTRACT: 109,
      DECIMAL: 110,
      DIVIDE: 111,
      F1: 112,
      F2: 113,
      F3: 114,
      F4: 115,
      F5: 116,
      F6: 117,
      F7: 118,
      F8: 119,
      F9: 120,
      F10: 121,
      F11: 122,
      F12: 123,
      NUM_LOCK: 144,
      SCROLL_LOCK: 145,
      SEMICOLON: 186,
      EQUALS: 187,
      COMMA: 188,
      DASH: 189,
      PERIOD: 190,
      FORWARD_SLASH: 191,
      GRAVE_ACCENT: 192,
      OPEN_BRACKET: 219,
      BACK_SLASH: 220,
      CLOSE_BRACKET: 221,
      SINGLE_QUOTE: 222
    };

Ecample:

if (event.which == KeyCode.TAB) { 
  console.log("Tab was pressed");
}