JScript shield shortcut key code

Source: Internet
Author: User
Prohibit Ctrl + N and prohibit Ctrl + R and disable SHIFT + F10 prohibit right-click or left-side keys and prohibit F5 JS Code

<SCRIPT>
// Disable Ctrl + N or Ctrl + R or SHIFT + F10 or right-click or left-side or F5
VaR olastbtn = 0, bismenu = false
If (window. Event)
{
Document. captureevents (event. mouseup );
}

Function nocontextmenu ()
{
Event. cancelbubble = true;
Event. returnvalue = false;
Return false;
}

Function norightclick (E)

{
If (window. Event)
{
If (E. Which! = 1)
{
Return false;
}
}
Else
If (event. Button! = 1)
{
Event. cancelbubble = true;
Event. returnvalue = false;
Return false;
}
}

Document. oncontextmenu = nocontextmenu;
Document. onmousedown = norightclick;

Function onkeydown ()
{
If (event. altkey) | (event. keycode = 8) & (event. srcelement. type! = "Text" & event. srcelement. type! = "Textarea" & event. srcelement. type! = "Password") | (event. ctrlkey) & (event. keycode = 78) | (event. keycode = 82) | (event. keycode = 116 ))
{
Event. keycode = 0;
Event. returnvalue = false;
}
}
</SCRIPT>
<Body onkeydown = "onkeydown ()">
 

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