JavaScript code snippet-Prohibit right-click, select, paste, shift, Ctrl, alt .....

< Script Language = " Javascript " >
<! --
Function Key () {
If (Event. shiftkey) {
Window. Close ();}
// Disable shift
If (Event. altkey) {
Window. Close ();}
// Disable alt
If (Event. ctrlkey) {
Window. Close ();}
// Disable Ctrl
Return   False ;}
Document. onkeydown = Key;
If (Window. Event)
Document. captureevents (event. mouseup );
// Swordmaple JavaScript article.
// From www.jx165.com
Function Nocontextmenu () {
Event. cancelbubble= True
Event. returnvalue= False;
Return False;}
Function Norightclick (E) {
If (Window. Event) {
If(E. Which= 2 |E. Which= 3)
Return False;}
Else
If (Event. Button =   2   | Event. Button =   3 ) {
Event. cancelbubble= True
Event. returnvalue= False;
Return False;}
}
// Disable right-click
Document. oncontextmenu = Nocontextmenu; // For ie5 +
Document. onmousedown = Norightclick; // For all others
// -->
</ Script >
< Body onselectstart = " Return false " ; Onpaste = " Return false " ; >
Select a character and try 1010110
< Input size = 30 >
<! -- Onselectstart prohibit onpaste from pasting -->