Posted in Javascript onMay 06, 2010
function window.onhelp(){return false} //屏蔽F1帮助 /*keyCod从113-123分别禁用了F2-F12键,13禁用了回车键(Enter),8禁用了退格键(BackSpace)*/ document.onkeydown = function(){ if(window.event && window.event.keyCode == 113) { window.event.keyCode = 505; } if(window.event && window.event.keyCode == 114) { window.event.keyCode = 505; } if(window.event && window.event.keyCode == 115) { window.event.keyCode = 505; } if(window.event && window.event.keyCode == 116) { window.event.keyCode = 505; } if(window.event && window.event.keyCode == 117) { window.event.keyCode = 505; } if(window.event && window.event.keyCode == 118) { window.event.keyCode = 505; } if(window.event && window.event.keyCode == 119) { window.event.keyCode = 505; } if(window.event && window.event.keyCode == 120) { window.event.keyCode = 505; } if(window.event && window.event.keyCode == 121) { window.event.keyCode = 505; } if(window.event && window.event.keyCode == 122) { window.event.keyCode = 505; } if(window.event && window.event.keyCode == 123) { window.event.keyCode = 505; } if(window.event && window.event.keyCode == 13) { window.event.keyCode = 505; } if(window.event && window.event.keyCode == 8) { alert(str+"\n请使用Del键进行字符的删除操作!"); window.event.returnValue=false; } if(window.event && window.event.keyCode == 505){ alert(str) window.event.returnValue=false; } }
屏蔽F1~F12的快捷键的js函数
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