jQuery禁用文本选择右键菜单代码实例

<script>
//禁用右键、文本选择功能、复制按键
$(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("禁止复制内容！");
    return false;
  }
}
//禁用右键、文本选择功能、复制按键
$(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;
  // IE
  if(window.event) {
    keynum = e.keyCode;
  }
  // Netscape/Firefox/Opera
  else if(e.which) {
    keynum = e.which;
  }
  if(keynum == 17){ 
    alert("禁止复制内容！");
    return false;
  }
}
</script>