freeCodeCamp Challenge Guide: Add a Hover Effect to a D3 Element

Add a Hover Effect to a D3 Element


Hints

Hint 1

Add the bar class to all rect elements.

Hint 2

Use the attr() method to add attributes.


Solutions

Solution 1 (Click to Show/Hide)

Add the following line of code to the end of your rect methods chain:

.attr("class","bar");
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