onkeydown与onkeypress的区别_键盘鼠标特效

onkeydown与onkeypress的区别,您可以先修改部分代码再运行.

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onkeypress 
As of Microsoft® Internet Explorer 4.0, the onkeypress event fires and can be canceled for the following keys: 
 
Letters: A - Z (uppercase and lowercase) 
Numerals: 0 - 9 
Symbols: ! @ # $ % ^ & * ( ) _ - + = < [ ] { } , . / ? \ | ' ` " ~ 
System: ESC, SPACEBAR, ENTER 
 
 
onkeydown 
As of Microsoft® Internet Explorer 4.0, the onkeydown event fires for the following keys: 
 
Editing: DELETE, INSERT 
Function: F1 - F12 
Letters: A - Z (uppercase and lowercase) 
Navigation: HOME, END, LEFT ARROW, RIGHT ARROW, UP ARROW, DOWN ARROW 
Numerals: 0 - 9 
Symbols: ! @ # $ % ^ & * ( ) _ - + = < [ ] { } , . / ? \ | ' ` " ~ 
System: ESC, SPACEBAR, SHIFT, TAB 
 
As of Internet Explorer 5, the event also fires for the following keys: 
 
Editing: BACKSPACE 
Navigation: PAGE UP, PAGE DOWN 
System: SHIFT+TAB 
 
As of Internet Explorer 5, this event can be canceled for the following keys and key combinations by specifying event.returnValue=false: 
 
Editing: BACKSPACE, DELETE 
Letters: A - Z (uppercase and lowercase) 
Navigation: PAGE UP, PAGE DOWN, END, HOME, LEFT ARROW, RIGHT ARROW, UP ARROW, DOWN ARROW 
Numerals: 0 - 9 
Symbols: ! @ # $ % ^ & * ( ) _ - + = < [ ] { } , . / ? \ | ' ` " ~ 
System: SPACEBAR, ESC, TAB, SHIFT+TAB 
 
You can cancel all keys that fire the onkeydown event in HTML Applications, including most accelerator keys, such as ALT+F4. 
 
In Internet Explorer 4.0, you cannot cancel the onkeydown event, but you can use the onkeypress event to cancel keyboard events. 
 
两个一起按，可以这样： 
 
if( window.event.shiftKey && event.keyCode==xx) 

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所属频道：键盘鼠标特效/更新时间：2013-04-14

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