Chris Henrick

Notebooks I've made that I'm particularly fond of.

featured

explainers

What is the purpose of the negative left offset?

Fabian Iwand

If you didn't want to use `display: none` to hide it and still have it be visible to screen readers you can use this approach instead.

If you namespace the listeners, it'll be easier for the calling chart to style the mouseover point or attach an additional mouseover listener without clobbering the tooltip one: 

https://github.com/gka/d3-jetpack/blob/master/src/attachTooltip.js#L12-L16
https://github.com/gka/d3-jetpack#attachTooltip

Adam Pearce

Since you're only ever accessing .id, you may want to change this to DOM.uid().id