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Arearange: zoom out to boosted mode caused error in js #7557

pawelfus opened this Issue Dec 19, 2017 · 2 comments


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pawelfus commented Dec 19, 2017


Version 6.0.4:

highcharts.src.js:4274 Uncaught TypeError: Cannot read property 'setAttribute' of undefined
    at H.SVGElement._defaultSetter (highcharts.src.js:4274)
    at H.SVGElement.eachAttribute (highcharts.src.js:2980)
    at H.objectEach (highcharts.src.js:1808)
    at H.SVGElement.attr (highcharts.src.js:2952)
    at H.SVGElement.removeClass (highcharts.src.js:3094)
    at object.setState (highcharts.src.js:33738)
    at object.setState (highcharts-more.src.js:1496)
    at highcharts.src.js:17619
    at Array.forEach (<anonymous>)
    at H.each (highcharts.src.js:1790)
_defaultSetter @ highcharts.src.js:4274
eachAttribute @ highcharts.src.js:2980
H.objectEach @ highcharts.src.js:1808
attr @ highcharts.src.js:2952
removeClass @ highcharts.src.js:3094
setState @ highcharts.src.js:33738
setState @ highcharts-more.src.js:1496
(anonymous) @ highcharts.src.js:17619
H.each @ highcharts.src.js:1790
runPointActions @ highcharts.src.js:17617
onContainerMouseMove @ highcharts.src.js:18059
container.onmousemove @ highcharts.src.js:18169

Live demo with steps to reproduce

Demo (and demo github vs current)

It looks like problem with not cleared point from chart.hoverPoints. This is what actually happens:

  • zoom in until we see markers
  • reset zoom and don't move mouse
  • you can still observe markers from previously zoomed range (shouldn't that be cleaned in reset zoom?)
  • original points (series.points) are correct, but in chart.hoverPoints we still have a point from the old range - but point.graphic was destroyed (nullified points). Interesting part: that marker is still visible..

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pawelfus commented Dec 19, 2017

Found the problem, it's caused by top-graphic which is not cleared out:

if (points) {
for (i = 0; i < points.length; i = i + 1) {
point = points[i];
if (point && point.graphic) {
point.graphic = point.graphic.destroy();

Could we replace this with destroyElements method?

	if (points) {
		for (i = 0; i < points.length; i = i + 1) {
			point = points[i];
			if (point && point.destroyElements) {

So it will be safe to remove all associated elements to a point? I'm not sure about the performance.. it's called only for SVG-based points, so shouldn't affect Canvas solution, right? On the other hand, we have there more checks than simple if (point && point.graphic) { ... }:

destroyElements: function () {
var point = this,
props = ['graphic', 'dataLabel', 'dataLabelUpper', 'connector', 'shadowGroup'],
i = 6;
while (i--) {
prop = props[i];
if (point[prop]) {
point[prop] = point[prop].destroy();

@cvasseng @TorsteinHonsi


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TorsteinHonsi commented Dec 20, 2017

Could we replace this with destroyElements method?

Yes, let's do that! As for performance, this only happens when switching from non-boost to boost mode, so we're limited to the boostThreshold.

Will you do the fix?

pawelfus added a commit that referenced this issue Dec 20, 2017

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