"JS" JavaScript disables the right-click menu and F12 Open the console to see the code

<script type= "Text/javascript" >
Disable the right mouse button menu and F12 Open the console to see the source code
function Click (e) {
if (document.all) {
if (event.button==2| | event.button==3) {
Alert ("Welcome to my humble abode, if you need any help, please contact the webmaster!") Thank you for your cooperation!!! ");
Oncontextmenu= ' return false ';
}
}
if (document.layers) {
if (E.which = = 3) {
Oncontextmenu= ' return false ';
}
}
}
if (document.layers) {
Document.captureevents (Event.mousedown);
}
Document.onmousedown=click;
Document.oncontextmenu = new Function ("return false;")
Document.onkeydown =document.onkeyup = Document.onkeypress=function () {
if (Window.event.keyCode = = 123) {
Window.event.returnvalue=false;
return (false);
}
}
<--123--112 is F1-F12 code number--
</script>

JS JavaScript Disables the right-click menu and F12 Open the console to see the code