source-code-protection.js

 document.onkeypress = function(e) {
     if (123 == (e = e || window.event).keyCode) return !1
 }, document.onmousedown = function(e) {
     if (123 == (e = e || window.event).keyCode) return !1
 }, document.onkeydown = function(e) {
     if (123 == (e = e || window.event).keyCode) return !1
 };
 var message = "Sorry, right-click has been disabled";

 function clickIE() {
     if (document.all) return !1
 }

 function clickNS(e) {
     if ((document.layers || document.getElementById && !document.all) && (2 == e.which || 3 == e.which)) return !1
 }

 function disableCtrlKeyCombination(e) {
     var n, o, t = new Array("a", "n", "c", "x", "v", "j", "w", "s", "p", "u");
     if (window.event ? (n = window.event.keyCode, o = !!window.event.ctrlKey) : (n = e.which, o = !!e.ctrlKey), o)
         for (i = 0; i < t.length; i++)
             if (t[i].toLowerCase() == String.fromCharCode(n).toLowerCase()) return alert("Key combination CTRL + " + String.fromCharCode(n) + " has been disabled."), !1;
     return !0
 }
 document.layers ? (document.captureEvents(Event.MOUSEDOWN), document.onmousedown = clickNS) : (document.onmouseup = clickNS, document.oncontextmenu = clickIE), document.oncontextmenu = new Function("return false");

 function copyToClipboard() {
     // Create a "hidden" input
     var aux = document.createElement("input");
     // Assign it the value of the specified element
     aux.setAttribute("value", "Please do not try to take screenshot.");
     // Append it to the body
     document.body.appendChild(aux);
     // Highlight its content
     aux.select();
     // Copy the highlighted text
     document.execCommand("copy");
     // Remove it from the body
     document.body.removeChild(aux);
     alert("Why you need to take screenshot? Contact at [email protected].");
  }

$(window).keyup(function(e){
  if(e.keyCode == 44){
    copyToClipboard();
  }
}); 

$(window).focus(function() {
  $("body").show();
}).blur(function() {
  $("body").hide();
});