网页屏蔽各种按键的代码分享

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//屏蔽鼠标右键、Ctrl+N、Shift+F10、F11、F5刷新、退格键
 function document.oncontextmenu(){event.returnValue=false;}
//屏蔽鼠标右键
 function window.onhelp(){return false}

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//屏蔽F1帮助
function document.onkeydown(){ if((window.event.altKey)&&((window.event.keyCode==37)||

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//屏蔽Alt+方向键← (window.event.keyCode==39))){

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//屏蔽退格删除键 (event.keyCode==116)||

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//屏蔽F5刷新键 (event.ctrlKey && event.keyCode==82)){ //Ctrl+R event.keyCode=0; event.returnValue=false; } if(event.keyCode==122){event.keyCode=0;event.returnValue=false;}

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//屏蔽F11 if(event.ctrlKey && event.keyCode==78)event.returnValue=false;

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//屏蔽Ctrl+n if(event.shiftKey && event.keyCode==121)event.returnValue=false;

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//屏蔽shift+F10 if(window.event.srcElement.tagName=="A" && window.event.shiftKey) window.event.returnValue=false;

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//屏蔽shift加鼠标左键新开一网页 if((window.event.altKey)&&(window.event.keyCode==115)){

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//屏蔽shift加鼠标左键新开一网页 if((window.event.altKey)&&(window.event.keyCode==115)){

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//屏蔽Alt+F4 window.showModelessDialog("about:blank","","dialogWidth:1px;dialogheight:1px"); return false; } } 喜欢的记得点赞评论噢