jquery Disable Right-click, text-Select, refresh

//Disable Right-click, text-Select, Refresh$ (document). Bind ("ContextMenu", function () {return false;}); $ (document). Bind ("Selectstart", function () {return false;}); $ (document). KeyDown (function () {returnKey (arguments[0])}); //prompt warning when pressingfunction key (e) {varKeynum; if(Window.Event) {Keynum= E.keycode;//IE}Else if(E.which) {Keynum= E.which;//Netscape/firefox/opera}  if(Keynum = = -{alert ("Disable refresh!)  ”); return false; }  }    //Disable Right-click, text-Select, Refresh$ (document). Bind ("ContextMenu", function () {return false;}); $ (document). Bind ("Selectstart", function () {return false;}); $ (document). KeyDown (function () {returnKey (arguments[0])}); //prompt warning when pressingfunction key (e) {varKeynum; if(Window.Event)//IE{keynum=E.keycode; }              Else if(E.which)//Netscape/firefox/opera{keynum=E.which; }              if(Keynum = = -) {alert ("No Refresh! ");return false;} }          <script>//Shield right mouse button, CTRL + N, SHIFT+F10, F11, F5 refresh, backspace barfunction Document.oncontextmenu () {Event. returnvalue=false;}//masking the right mouse buttonfunction Window.onhelp () {return false}//Shielding F1 Helpfunction Document.onkeydown () {if(Window.Event. Altkey) &&(window.Event. keycode==Panax Notoginseng)||//masking ALT + arrow key ←(Window.Event. keycode== the))){//Shielding Alt + arrow keys →Alert"you are not allowed to use ALT + arrow keys to forward or rewind pages! "); Event. returnvalue=false; }         if((Event. keycode==8)||//Mask BACKSPACE Delete key(Event. keycode== the)||//Mask F5 Refresh key(Event. Ctrlkey &&Event. keycode== the)){//Ctrl+r           Event. keycode=0; Event. returnvalue=false; }           if(Event. keycode==122){Event. keycode=0;Event. returnvalue=false;}//Shielded F11      if(Event. Ctrlkey &&Event. keycode== +)Event. returnvalue=false;//Shielding CTRL + N      if(Event. Shiftkey &&Event. keycode==121)Event. returnvalue=false;//Shielded Shift+f10      if(Window.Event. srcelement.tagname=="A"&& window.Event. shiftkey) window.Event. returnvalue=false;//screen shift and left mouse button to open a new page      if(Window.Event. altkey) && (window.Event. keycode== the)){//Shielded Alt+f4Window.showmodelessdialog ("About:blank","","dialogwidth:1px;dialogheight:1px"); return false; }       }     </script>

jquery Disable Right-click, text-Select, refresh