var points = this.layout_.points;
var closestPoint, closestSeries;
for (var setIdx = 0; setIdx < this.layout_.datasets.length; ++setIdx) {
var first = this.layout_.setPointsOffsets[setIdx];
var len = this.layout_.setPointsLengths[setIdx];
var points = this.layout_.points;
var closestPoint, closestSeries;
for (var setIdx = 0; setIdx < this.layout_.datasets.length; ++setIdx) {
var first = this.layout_.setPointsOffsets[setIdx];
var len = this.layout_.setPointsLengths[setIdx];