var a=function(){return false;} document.onselectstart=a; document.oncontextmenu=a; document.onmousedown=function(){if(event.button==2)a();} document.onkeydown=function(){if(even.ctrlKey)a();}
去除网页中的选中和右键菜单
原文:http://www.cnblogs.com/lsr111/p/4450028.html