禁止右鍵，左鍵,複製，粘貼

$(document).ready(function() {// 禁止右鍵$(document).bind("contextmenu", function() {return false;});// 禁止選擇$(document).bind("selectstart", function() {return false;});// 禁止Ctrl+C 和Ctrl+A$(document).keydown(function(event) {if ((event.ctrlKey && event.which == 67) || (event.ctrlKey && event.which == 86)) {return false;}if ((event.ctrlKey) && (event.keyCode == 82)) {return false;}if (event.keyCode == 116) {return false; // 屏蔽F5重新整理鍵}if (event.keyCode == 8) {return false; // 屏蔽退格刪除鍵}if ((event.altKey) && ((event.keyCode == 37) || // 屏蔽 Alt+ 方向鍵 ←(event.keyCode == 39))) // 屏蔽 Alt+ 方向鍵 →{event.returnValue = false;return false;}});});