Add setContent and getContent API for L.divIcon class

[badazz91]

Similar to the L.popup class it would be nice to provide methods like setContent and getContent for L.divIcon, for better implementation of custom icons. Also it would be nice to be able to set also DOM elements, instead of only a html string in L.divIcon.

[IvanSanchez]

I'm not really sure this is a good idea - the code for L.Icon expects to have control over the HTMLElement of the icon, so it can be repositioned. While this is a good idea, I don't think implementation would be trivial.

[miguelcobain]

@IvanSanchez why would this be difficult for icons and not for popups/tooltips?

[aeromac]

I'm not sure what version it was implemented, but div icon now accepts HTMLElement.

html = String|HTMLElement
"Custom HTML code to put inside the div element, empty by default. Alternatively, an instance of HTMLElement."

[JaZo]

@aeromac Nice, you are correct! 😃 HTMLElement support was introduced in 1.5.0 (see https://github.com/Leaflet/Leaflet/blob/master/CHANGELOG.md#150-2019-05-08) with #6571. So this issue is partially fixed, but setContent and getContent are yet to be implemented.