Learning D3.JS 5.0 6.3: Reverse the Bar

The video tutorial focuses on optimizing code for a bar chart by creating variables for width, height, and padding. It explains how to adjust the bar chart's attributes to display correctly and reverse the bar graph's orientation. The tutorial concludes with a preview of the next video, which will cover adding labels.

Describe the issue encountered with the height of the bars in the chart.

What will be demonstrated in the next video after this one?