A JavaScript code about the browser

Functionhint () {window. status & quot; Transaction Processing in progress. Please wait .... & quot;} // addedbyposy2004-02-11 // block related page refresh, back and other operations. Functionprotect () {if (event. keyCode116) | // shield f5...

Function hint (){
Window. status = "the transaction is being processed. Please wait ....";
}
// Added by posy 2004-02-11
// Block operations such as page refresh and back.
Function protect (){

If (event. keyCode = 116) | // mask the F5 refresh key
(Event. ctrlKey & event. keyCode = 82) {// Ctrl + R
Warnning ();
Event. keyCode = 0;
Event. returnValue = false;
}
If (event. ctrlKey) & (event. keyCode = 78) {// block Ctrl + n
Warnning ();
Event. returnValue = false;
}

If (event. shiftKey) & (event. keyCode = 121) {// block shift + F10
Warnning ();
Event. returnValue = false;
}

If (window. event. altKey )&&
(Window. event. keyCode = 37) | // mask Alt + direction key seek
(Window. event. keyCode = 39) {// mask Alt + direction key →
Warnning ();
Event. returnValue = false;
}


If (event. ctrlKey) & (window. event. keyCode = 37) | (window. event. keyCode = 39 ))){
Warnning ();
Event. keyCode = 0;
Event. returnValue = false;
}
}

Function warnning (){
Alert ("this type of operation is prohibited for your online transaction security ");
}


/*
* Prevent right-click operations on the webpage
*
*/
Function Click (){
Warnning ();
Window. event. returnValue = false;

}

 

From Computer Language Technology Discussion Group