//禁止F12 document.onkeydown = function () { if (window.event && window.event.keyCode == 123) { event.keyCode = 0; event.returnValue = false; } if (window.event && window.event.keyCode == 13) { window.event.keyCode = 505; } }; //屏蔽右键菜单 document.oncontextmenu = function (event){ if(window.event){ event = window.event; }try{ var the = event.srcElement; if (!((the.tagName == "INPUT" && the.type.toLowerCase() == "text") || the.tagName == "TEXTAREA")){ return false; } return true; }catch (e){ return false; } };