Range Slider: ReferenceError: Can't find variable: divRange

[wahlatlas]

Using the Range Slider, which is invoked by using a two number array as a value

d3.slider().value([50, 70])

the console throws an

ReferenceError: Can't find variable: divRange

This can be fixed by declaring

var divRange;

as a private variable (moving from line 71 to 49)

[wahlatlas]

… and it is solved by d18dff4