rend_big_potatoes.js

(function(){
    var colors = [
        "#F0F0F0", "#AAAAAA", "#888888", "#333333",
        "#B00B1E", "#003366", "#00BB33", "#00FF00"
    ];
    $('#zh-question-answer-wrap .voters a').each(function(){
        var self = $(this);
        $.get("http://www.zhihu.com/node/MemberProfileCardV2?params=" +
            encodeURIComponent('{"url_token":"' +
                self.attr('data-tip').split("$")[2] + '"}'
            )
        ).success(function(data){
            var j = data.indexOf('<span class="key">关注者') - 8;
            var i = data.slice(0, j).lastIndexOf('class="value">') + 14;
            var nFollowText = data.slice(i, j);
            var heavy = false;
            var lvl = 0;

            if(nFollowText.toLowerCase().indexOf('k') > 0){
                heavy = true;
            }
            lvl = parseInt(nFollowText).toString().length;
            // 10.9k => '2'
            // 42 => 2
            if(lvl > 4) lvl = 4;
            if(heavy) lvl += 4;

            var color = colors[lvl-1];
            self.css('color', color);
        }).error(function(){
            self.css('color', '#993300');
        });
    });
})();