The following are some of the most common tips for 40 pages of JavaScript, which are believed to be helpful to web site developers.
1. oncontextmenu= "Window.event.returnvalue=false" will completely screen the right mouse button
<table border Oncontextmenu=return (false) ><td>no</table> available for table
2. <body onselectstart= "return false" > deselect, prevent copying
3. onpaste= "return false" is not allowed to paste
4. oncopy= ' return false; ' oncut= ' return false; ' Prevent replication
5. <link rel= "shortcut icon" href= "Favicon.ico" > IE Address bar before replacing their own icons
6. <link rel= "Bookmark" href= "Favicon.ico" > can display your icon in a Favorites folder
7. <input style= "ime-mode:disabled" > Close IME
8. Always with the frame
<script language= "JavaScript" ><!--
if (window = top) Top.location.href = "frames.htm"; Frames.htm for frames page
--></script>
9. Prevent a person from being frame
<script language=javascript><!--
if (top.location!= self.location) top.location=self.location;
--></script>
10. Web pages will not be saved as
<noscript><iframe src= "/blog/*.html>";</iframe></noscript>
<input type=button value= View Web page source code
View-source: "+"http://www.williamlong.info"" >
12. Confirm upon deletion
<a href= "Javascript:if (" Are you sure you want to delete it? ") location= "boos.asp?&areyou= Delete &page=1" "> Delete </a>
13. Get the absolute position of the control
Javascript
<script language= "Javascript" >
function Getie (e) {
var t=e.offsettop;
var l=e.offsetleft;
while (e=e.offsetparent)
Alert ("top=" +t+ "/nleft=" +l);
}
</script>
VBScript
<script language= "VBScript" ><!--
function Getie ()
Dim t,l,a,b
Set A=DOCUMENT.ALL.IMG1
T=document.all.img1.offsettop
L=document.all.img1.offsetleft
While a.tagname<> "Body"
Set a = A.offsetparent
T=t+a.offsettop
L=l+a.offsetleft
Wend
MsgBox "Top=" &T&CHR & "left=" &l,64, "get position of control"
End Function
--></script>
14. Cursor is stopped at the end of text box text
<script language= "JavaScript" >
function cc ()
{
var e = event.srcelement;
var r =e.createtextrange ();
R.movestart ("character", e.value.length);
R.collapse (TRUE);
R.select ();
}
</script>
<input type=text name=text1 value= "123" >
15. Determining the origin of the previous page
Javascript:
Document.referrer
16. Minimize, maximize, close windows
<object id=hh1 classid= "Clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11" >
<param name= "Command" value= "Minimize" ></object>
<object id=hh2 classid= "Clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11" >
<param name= "Command" value= "Maximize" ></object>
<object id=hh3 classid= "Clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11" >
<param name= "Command" value= "Close" ></OBJECT>
<input Type=button value= Minimize onclick=hh1. Click () >
<input Type=button value= maximize ONCLICK=HH2. Click () >
<input Type=button value= closes Onclick=hh3. Click () >
This example applies to IE
17. Screen function Key Shift,alt,ctrl
<script>
function Look () {
if (Event.shiftkey)
Alert ("Do not press SHIFT key!"); You can change alt CTRL
}
Document.onkeydown=look;
</script>
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