All of the correct CSS variations are:
.noselect {
-webkit-touch-callout: none; /* iOS Safari */
-webkit-user-select: none; /* Safari */
-khtml-user-select: none; /* Konqueror HTML */
-moz-user-select: none; /* Firefox */
-ms-user-select: none; /* Internet Explorer/Edge */
user-select: none; /* Non-prefixed version, currently
supported by Chrome and Opera */
}
<p>
Selectable text.
</p>
<p class="noselect">
Unselectable text.
</p>
-webkit-user-select: none;
-khtml-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
-o-user-select: none;
user-select: none;
Disallow them from being able to answer when the window's onBlur event is fired. They can still use other devices, but they won't be able to cheat on the same computer.
<body oncopy="return false" oncut="return false" onpaste="return false">
Example
Prevent text selection of a <div> element:
div {
-webkit-user-select: none; /* Safari 3.1+ */
-moz-user-select: none; /* Firefox 2+ */
-ms-user-select: none; /* IE 10+ */
user-select: none; /* Standard syntax */}
<script language="JavaScript">
/**
* Disable right-click of mouse, F12 key, and save key combinations on page
* By Arthur Gareginyan (arthurgareginyan@gmail.com)
* For full source code, visit https://mycyberuniverse.com
*/
window.onload = function() {
document.addEventListener("contextmenu", function(e){
e.preventDefault();
}, false);
document.addEventListener("keydown", function(e) {
//document.onkeydown = function(e) {
// "I" key
if (e.ctrlKey && e.shiftKey && e.keyCode == 73) {
disabledEvent(e);
}
// "J" key
if (e.ctrlKey && e.shiftKey && e.keyCode == 74) {
disabledEvent(e);
}
// "S" key + macOS
if (e.keyCode == 83 && (navigator.platform.match("Mac") ? e.metaKey : e.ctrlKey)) {
disabledEvent(e);
}
// "U" key
if (e.ctrlKey && e.keyCode == 85) {
disabledEvent(e);
}
// "F12" key
if (event.keyCode == 123) {
disabledEvent(e);
}
}, false);
function disabledEvent(e){
if (e.stopPropagation){
e.stopPropagation();
} else if (window.event){
window.event.cancelBubble = true;
}
e.preventDefault();
return false;
}
};
</script>
PROTECT YOUR PICS:
<script language="javascript">
document.onmousedown=disableclick;
status="Right Click Disabled";
Function disableclick(e)
{
if(event.button==2)
{
alert(status);
return false;
}
}
</script>
<Body>
<Table>
<tr oncontextmenu="return false">
<td>
<asp:datagrid id="dgGrid1">---</asp:datagrid>
</td>
</tr>
</Table>
</Body>
<script language=JavaScript>
<!--
//Disable right mouse click Script
//By Geek Site.in
var message="Function Disabled!";
///////////////////////////////////
function clickIE4(){
if (event.button==2){
alert(message);
return false;
}
}
function clickNS4(e){
if (document.layers||document.getElementById&&!document.all){
if (e.which==2||e.which==3){
alert(message);
return false;
}
}
}
if (document.layers){
document.captureEvents(Event.MOUSEDOWN);
document.onmousedown=clickNS4;
}
else if (document.all&&!document.getElementById){
document.onmousedown=clickIE4;
}
document.oncontextmenu=new Function("alert(message);return false")
// -->
</script>