datatracker/ietf/static/js/review-stats.js

$(document)
    .ready(function () {
        if (window.timeSeriesData && window.timeSeriesOptions) {
            var placeholder = $(".stats-time-graph");
            placeholder.height(Math.round(placeholder.width() * 1 / 3));

            $.plot(placeholder, window.timeSeriesData, window.timeSeriesOptions);
        }
    });