JQ Cookie 获取历史浏览记录

var historyCount = 15; //保存历史记录个数
/**
 * 增加浏览历史记录
 * @return
 */
function setHistory(keyWord) {
        var keyWords = $.cookie('keyWord');
        if (keyWords) {
            if(keyWord) {
                var keys = keyWords.split(",");
                for (var i = keys.length - 1; i >= 0; i--) {
                    if (keys[i] == keyWord) {
                        keys.splice(i, 1);
                    }
                }
                keys.push(keyWord);
                if (keys.length >= historyCount) {
                    //删除最开始的多余记录
                    var count = keys.length - historyCount + 1; //需要删除的个数
                    keys.splice(0, count); //开始位置,删除个数
                }
                $.cookie('keyWord', keys.join(','), {expires: 365, path: '/'});
            }
        } else {
            $.cookie('keyWord', keyWord, {expires: 365, path: '/'});
        }
}
function  delHistory(){
    $.cookie("keyWord",null,{path:"/",expires: -1});
}
function  getHistory(){
    var keyWords = $.cookie('keyWord');
    if(keyWords) {
        var keys=  keyWords.split(",");
        var length = keys.length;
        if (length > 0) {
            $("#historyRecord").empty();
            var htmlString = "<dt>历史搜索</dt><dd>";
            for (var i = length - 1; i >= 0; i--) {
                htmlString += "<a href='javascript:;' >" + keys[i] + "</a>";
            }
            htmlString += "</dd>";
            $("#historyRecord").html(htmlString)
        }
    }
}