The 55 most common classic tricks in JavaScript

1. oncontextmenu= "Window.event.returnvalue=false" will completely shield the right mouse button

〈table border Oncontextmenu=return (false) 〉〈td〉no〈/table〉 can be used for table

2.〈body onselectstart= "return false" to deselect, prevent copying

3.onpaste= "return false" no paste

4.oncopy= "return false;" oncut= "return false;" Prevent replication

5.〈link rel= "Shortcut icon" href= "Favicon.ico" 〉ie the address bar before switching to your own icon

6.〈link rel= "Bookmark" href= "Favicon.ico" to display your icon in the Favorites folder

7.〈input style= "ime-mode:disabled") off IME

8. Always with frame
〈script language= "JavaScript" 〉〈!--
if (window = = top) Top.location.href = "frames.htm"; Frames.htm for frames page//--〉〈/script〉

9. Prevent people 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〉〈*** src= "/*.html〉"; 〈/***〉〈/noscript〉

11.<input Type=button value= "/View Web page source code
onclick= "window.location =" View-source: "+" http://www.pconline.com.cn ""

12. Confirm 〈a href= "" Javascript:if (Confirm ("Do you want to delete it?") when deleting 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) {t+=e.offsettop; l+=e.offsetleft;}
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=" &AMP;T&AMP;CHR (& "left=" &l,64, "get control position" End Function--〉〈/script〉
14. The cursor is the last 〈script language= "JavaScript" 〉function cc () that stops at the text in the textbox
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" onfocus= "CC ()")

15. Determine the source JavaScript from the previous page:
Document.referrer

16. Minimize, maximize, close the window
〈object id=hh1 classid= "clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11" 〉〈param name= "Command" value= "Minimize" 〉〈/ object〉

Article source: 50 Examples of JavaScript Classics of Baidu Library

The 55 most common classic tricks in JavaScript