ctx.save();
for (i = 0; i < this.selPoints_.length; i++) {
var pt = this.selPoints_[i];
- if (isNaN(pt.canvasy) || pt.canvasy === null) continue;
+ if (isNaN(pt.canvasy)) continue;
var circleSize = this.getNumericOption('highlightCircleSize', pt.name);
var callback = this.getFunctionOption("drawHighlightPointCallback", pt.name);