js代码屏蔽网站鼠标右键，屏蔽按键刷新审核元素

<script type="text/javascript">
	$(function(){
		var OriginTitile = document.title;
var titleTime;
document.addEventListener('visibilitychange', function () {
    if (document.hidden) {
        $('[rel="shortcut icon"]').attr('href', "http://pjax.cn/loss.ico");
        document.title = '404 Not Found';
        clearTimeout(titleTime);
    }
    else {
        $('[rel="shortcut icon"]').attr('href', "http://pjax.cn/favicon.ico");
        document.title = '(/≧▽≦/)咦！又好了！' + OriginTitile;
        titleTime = setTimeout(function () {
            document.title = OriginTitile;
        }, 2000);
    }
});
		//屏蔽鼠标右键
document.oncontextmenu = function(e){
    return false;
};
		//屏蔽f12等
document.onkeydown = function(e){
    var e = e || event;
    var nums = [113,114,115,116,117,118,119,120,121,122,123];
    for(var i in nums){
        if(e.keyCode == nums[i]){
            return false;
        }
    }
};

	});

</script>