问题
There is a graph using Vis.js Network that consist of circles and edges between them.
Hovering mouse over a circle is supposed to show a tooltip.
Using Vis.js hoverNode and node.title (for tooltip content).
When mouse is moving from empty space into a circle - it always works:
However if mouse if moved over the edges neighter hoverNode nor 'blurNode` every triggered:
Is this a bug? Are there any possible work-arounds?
来源：https://stackoverflow.com/questions/55748023/vis-js-hovernode-not-triggered