Function tryUid

src/plots/plots.js:577–582

(uid, i)

    }

    function tryUid(uid, i) {
        if(uid && typeof uid === 'string' && !seenUids[uid]) {
            setUid(uid, i);
            return true;
        }
    }

    for(i = 0; i < len; i++) {
        var newUid = newData[i].uid;