Function shiftUp

libs/echarts/echarts.simple.js:43912–43925

(end, delta)

    }

    function shiftUp(end, delta) {
        for (var j = end; j >= 0; j--) {
            if (list[j].y - delta < viewTop) {
                break;
            }

            list[j].y -= delta;
            if (j > 0
                && list[j].y > list[j - 1].y + list[j - 1].height
            ) {
                break;
            }
        }
    }

    function changeX(list, isDownList, cx, cy, r, dir) {
        var lastDeltaX = dir > 0