jquery禁用右键、文本选择功能、刷新

//禁用右键、文本选择功能、刷新 

$(document).bind(“contextmenu”,function(){return false;});  

$(document).bind(“selectstart”,function(){return false;});  

$(document).keydown(function(){return key(arguments[0])});  

  

//按键时提示警告  

function key(e){  

var keynum;  

if(window.event){  

keynum = e.keyCode; // IE  

}else if(e.which){  

keynum = e.which; // Netscape/Firefox/Opera  

}  

if(keynum == 17){  

alert(“禁止刷新！”);  

return false;  

}  

}  

  

//禁用右键、文本选择功能、刷新 

    $(document).bind("contextmenu",function(){return false;});  

    $(document).bind("selectstart",function(){return false;});  

    $(document).keydown(function(){return key(arguments[0])});   

   

 //按键时提示警告  

       function key(e){  

            var keynum;  

            if(window.event) // IE  

              {  

                keynum = e.keyCode;  

              }  

            else if(e.which) // Netscape/Firefox/Opera  

              {  

                keynum = e.which;  

              }  

            if(keynum == 17){ alert("禁止刷新！");return false;}  

        }  

  

   

   

<script>    

//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}       //屏蔽F1帮助     

function   document.onkeydown(){     

    if((window.event.altKey)&&     

      ((window.event.keyCode==37)||            //屏蔽Alt+方向键←     

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

           alert("不准你使用ALT+方向键前进或后退网页！");     

           event.returnValue=false;      

      }         if((event.keyCode==8)||                    //屏蔽退格删除键      

      (event.keyCode==116)||                   //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;}    //屏蔽F11     

      if(event.ctrlKey && event.keyCode==78)event.returnValue=false;      //屏蔽Ctrl+n     

      if(event.shiftKey && event.keyCode==121)event.returnValue=false;    //屏蔽shift+F10     

      if(window.event.srcElement.tagName=="A" && window.event.shiftKey)       

         window.event.returnValue=false;       //屏蔽shift加鼠标左键新开一网页     

      if((window.event.altKey)&&(window.event.keyCode==115)){             //屏蔽Alt+F4      

         window.showModelessDialog("about:blank","","dialogWidth:1px;dialogheight:1px");     

         return false;     

      }     

  }     

</script>