统计页面刷新次数

 function count() {
        // 是否支持localStorage
        if (window.localStorage) {
            if (window.localStorage.getItem("count")) {
                var c = parseInt(window.localStorage.getItem("count"));
                window.localStorage.setItem("count", c + 1);
            } else {
                window.localStorage.setItem("count", 0);
            }
        }
    }
    count();
    var abc = localStorage.getItem('count');
 
    //清空记录
    localStorage.removeItem('count')