onkeyup Event | DHTML文档教程 |
Fires when the user releases a key.
dhtml语法
Inline HTML <ELEMENT onkeyup = "handler" ... > All platforms Event property object.onkeyup = handler JScript only object.onkeyup = GetRef("handler") Visual Basic Scripting Edition (VBScript) 5.0 or later only Named script <SCRIPT FOR = object EVENT = onkeyup> Internet Explorer only
Event Information
Bubbles Yes Cancels No To invoke Release any keyboard key. Default action Returns a number specifying the keycode of the key that was released.
Event Object Properties
Although event handlers in the DHTML Object Model do not receive parameters directly, a handler can query an event object for data.
altKey Sets or retrieves a value that indicates the state of the ALT key. altLeft Sets or retrieves a value that indicates the state of the left ALT key. cancelBubble Sets or retrieves whether the current event should bubble up the hierarchy of event handlers. clientX Sets or retrieves the x-coordinate of the mouse pointer's position relative to the client area of the window, excluding window decorations and scroll bars. clientY Sets or retrieves the y-coordinate of the mouse pointer's position relative to the client area of the window, excluding window decorations and scroll bars. ctrlKey Sets or retrieves the state of the CTRL key. ctrlLeft Sets or retrieves the state of the left CTRL key. keyCode Sets or retrieves the Unicode key code associated with the key that caused the event. offsetX Sets or retrieves the x-coordinate of the mouse pointer's position relative to the object firing the event. offsetY Sets or retrieves the y-coordinate of the mouse pointer's position relative to the object firing the event. returnValue Sets or retrieves the return value from the event. screenX Retrieves the x-coordinate of the mouse pointer's position relative to the user's screen. screenY Sets or retrieves the y-coordinate of the mouse pointer's position relative to the user's screen. shiftKey Sets or retrieves the state of the SHIFT key. shiftLeft Retrieves the state of the left SHIFT key. srcElement Sets or retrieves the object that fired the event. type Sets or retrieves the event name from the event object. x Sets or retrieves the x-coordinate, in pixels, of the mouse pointer's position relative to a relatively positioned parent element. y Sets or retrieves the y-coordinate, in pixels, of the mouse pointer's position relative to a relatively positioned parent element.
Remarks
As of Microsoft® Internet Explorer 4.0, the onkeyup 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
是否符合公共标准
This event is defined in HTML 4.0
.
Applies To
A, ACRONYM, ADDRESS, APPLET, AREA, B, BDO, BIG, BLOCKQUOTE, BODY, BUTTON, CAPTION, CENTER, CITE, CODE, CUSTOM, DD, DEL, DFN, DIR, DIV, document, DT, EM, FIELDSET, FONT, FORM, hn, HR, I, INPUT type=button, INPUT type=checkbox, INPUT type=file, INPUT type=image, INPUT type=password, INPUT type=radio, INPUT type=reset, INPUT type=submit, INPUT type=text, KBD, LABEL, LEGEND, LI, LISTING, MAP, MARQUEE, MENU, nextID, NOBR, OBJECT, OL, P, PLAINTEXT, PRE, Q, RT, RUBY, S, SAMP, SELECT, SMALL, SPAN, STRIKE, STRONG, SUB, SUP, TABLE, TBODY, TD, TEXTAREA, TFOOT, TH, THEAD, TR, TT, U, UL, VAR, XMP
更多语法参考
onkeydown, onkeypress