js实现网页标题栏闪烁提示效果代码

var newMessageRemind={
_step: 0,
_title: document.title,
_timer: null,
//显示新消息提示
show:function(){
var temps = newMessageRemind._title.replace("【　　　】", "").replace("【新消息】", "");
newMessageRemind._timer = setTimeout(function() {
newMessageRemind.show();
//这里写Cookie操作
newMessageRemind._step++;
if (newMessageRemind._step == 3) { newMessageRemind._step = 1 };
if (newMessageRemind._step == 1) { document.title = "【　　　】" + temps };
if (newMessageRemind._step == 2) { document.title = "【新消息】" + temps };
}, 800);
return [newMessageRemind._timer, newMessageRemind._title];
},
//取消新消息提示
clear: function(){
clearTimeout(newMessageRemind._timer );
document.title = newMessageRemind._title;
//这里写Cookie操作
}

};

var newMessageRemind = function () {
    var i = 0,
        title = document.title,
        loop;
 
    return {
        show: function () {
            loop = setInterval(function () {
                i++;
                if ( i == 1 ) document.title = '【新消息】' + title;
                if ( i == 2 ) document.title = '【　　　】' + title;
                if ( i == 3 ) i = 0;
            }, 800);
        },
        stop: function () {
            clearInterval(loop);
            document.title = title;
        }
    };
} ();

stop