JS常见事件，鼠标键值，键盘keycode码

a.窗口事件,只在body和frameset元素中才有效
onload 页面或图片加载完成时
onunload 用户离开页面时

b.表单元素事件,在表单元素中才有效
onchange 框内容改变时
onsubmit 点击提交按钮时
onreset 重新点击鼠标按键时
onselect 文本被选择时
onblur 元素失去焦点时
onfocus 当元素获取焦点时

c.键盘事件,在base,bdo,br,frame,frameset,head,html,iframe,meta,param,script,style,title元素里都无效
onkeydown 按下键盘按键时
onkeypress 按下或按住键盘按键时
onkeyup 放开键盘按键时
onclick 鼠标点击一个对象时
ondblclick 鼠标双击一个对象时
onmousedown 鼠标被按下时
onmousemove 鼠标被移动时
onmouseout 鼠标离开元素时
onmouseover 鼠标经过元素时
onmouseup 释放鼠标按键时

e.其他
onresize 当窗口或框架被重新定义尺寸时
onabort 图片下载被打断时
onerror 当加载文档或图片时发生错误时

鼠标键值
events.button=0 默认，没有按任何按钮。
events.button=1 鼠标左键
events.button=2 鼠标右键
events.button=3 鼠标左右键同时按下
events.button=4 鼠标中键
events.button=5 鼠标左键和中键同时按下
events.button=6 鼠标右键和中键同时按下
events.button=7 所有三个键都按下

键盘键值：
event.keycode

以下是键盘上基本按键的event.keycode:

1 keycode 8 = BackSpace BackSpace

2 keycode 9 = Tab Tab

3 keycode 12 = Clear

4 keycode 13 = Enter

5 keycode 16 = Shift_L

6 keycode 17 = Control_L

7 keycode 18 = Alt_L

8 keycode 19 = Pause

9 keycode 20 = Caps_Lock

10 keycode 27 = Escape Escape

11 keycode 32 = space space

12 keycode 33 = Prior

13 keycode 34 = Next

14 keycode 35 = End

15 keycode 36 = Home

16 keycode 37 = Left

17 keycode 38 = Up

18 keycode 39 = Right

19 keycode 40 = Down

20 keycode 41 = Select

21 keycode 42 = Print

22 keycode 43 = Execute

23 keycode 45 = Insert

24 keycode 46 = Delete

25 keycode 47 = Help

26 keycode 48 = 0 equal braceright

27 keycode 49 = 1 exclam onesuperior

28 keycode 50 = 2 quotedbl twosuperior

29 keycode 51 = 3 section threesuperior

30 keycode 52 = 4 dollar

31 keycode 53 = 5 percent

32 keycode 54 = 6 ampersand

33 keycode 55 = 7 slash braceleft

34 keycode 56 = 8 parenleft bracketleft

35 keycode 57 = 9 parenright bracketright

36 keycode 65 = a A

37 keycode 66 = b B

38 keycode 67 = c C

39 keycode 68 = d D

40 keycode 69 = e E EuroSign

41 keycode 70 = f F

42

43 keycode 71 = g G

44 keycode 72 = h H

45 keycode 73 = i I

46 keycode 74 = j J

47 keycode 75 = k K

48 keycode 76 = l L

49 keycode 77 = m M mu

50 keycode 78 = n N

51 keycode 79 = o O

52 keycode 80 = p P

53 keycode 81 = q Q at

54 keycode 82 = r R

55 keycode 83 = s S

56 keycode 84 = t T

57 keycode 85 = u U

58 keycode 86 = v V

59 keycode 87 = w W

60 keycode 88 = x X

61 keycode 89 = y Y

62 keycode 90 = z Z

63 keycode 96 = KP_0 KP_0

64 keycode 97 = KP_1 KP_1

65 keycode 98 = KP_2 KP_2

66 keycode 99 = KP_3 KP_3

67 keycode 100 = KP_4 KP_4

68 keycode 101 = KP_5 KP_5

69 keycode 102 = KP_6 KP_6

70 keycode 103 = KP_7 KP_7

71 keycode 104 = KP_8 KP_8

72 keycode 105 = KP_9 KP_9

73 keycode 106 = KP_Multiply KP_Multiply

74 keycode 107 = KP_Add KP_Add

75

76 keycode 108 = KP_Separator KP_Separator

77 keycode 109 = KP_Subtract KP_Subtract

78 keycode 110 = KP_Decimal KP_Decimal

79 keycode 111 = KP_Divide KP_Divide

80 keycode 112 = F1

81 keycode 113 = F2

82 keycode 114 = F3

83 keycode 115 = F4

84

85

86 keycode 116 = F5

87 keycode 117 = F6

88 keycode 118 = F7

89 keycode 119 = F8

90 keycode 120 = F9

91 keycode 121 = F10

92 keycode 122 = F11

93 keycode 123 = F12

94 keycode 124 = F13

95 keycode 125 = F14

96 keycode 126 = F15

97 keycode 127 = F16

98 keycode 128 = F17

99 keycode 129 = F18

100 keycode 130 = F19

101 keycode 131 = F20

102 keycode 132 = F21

103 keycode 133 = F22

104 keycode 134 = F23

105 keycode 135 = F24

106 keycode 136 = Num_Lock

107 keycode 137 = Scroll_Lock

108 keycode 187 = acute grave

109 keycode 188 = comma semicolon

110 keycode 189 = minus underscore

111 keycode 190 = period colon

112 keycode 192 = numbersign apostrophe

113 keycode 210 = plusminus hyphen macron

114 keycode 211 =

115 keycode 212 = copyright registered

116 keycode 213 = guillemotleft guillemotright

117 keycode 214 = masculine ordfeminine

118 keycode 215 = ae AE

119 keycode 216 = cent yen

120 keycode 217 = questiondown exclamdown

121 keycode 218 = onequarter onehalf threequarters

122 keycode 220 = less greater bar

123 keycode 221 = plus asterisk asciitilde

124 keycode 227 = multiply division

125

126 keycode 228 = acircumflex Acircumflex

127 keycode 229 = ecircumflex Ecircumflex

128 keycode 230 = icircumflex Icircumflex

129 keycode 231 = ocircumflex Ocircumflex

130 keycode 232 = ucircumflex Ucircumflex

131 keycode 233 = ntilde Ntilde

132 keycode 234 = yacute Yacute

133 keycode 235 = oslash Ooblique

134 keycode 236 = aring Aring

135 keycode 237 = ccedilla Ccedilla

136 keycode 238 = thorn THORN

137 keycode 239 = eth ETH

138 keycode 240 = diaeresis cedilla currency

139 keycode 241 = agrave Agrave atilde Atilde

140 keycode 242 = egrave Egrave

141 keycode 243 = igrave Igrave

142 keycode 244 = ograve Ograve otilde Otilde

143 keycode 245 = ugrave Ugrave

144 keycode 246 = adiaeresis Adiaeresis

145 keycode 247 = ediaeresis Ediaeresis

146 keycode 248 = idiaeresis Idiaeresis

147 keycode 249 = odiaeresis Odiaeresis

148 keycode 250 = udiaeresis Udiaeresis

149 keycode 251 = ssharp question backslash

150 keycode 252 = asciicircum degree

151 keycode 253 = 3 sterling

152 keycode 254 = Mode_switch

如果判断组合键可以利用event.ctrllKey,event.altKey,event.shiftKey来判断用户是否按下了ctrl、alt、shift键