Interactive Pricing Component (HTML + CSS + Js)

What are you most proud of, and what would you do differently next time?

There are a lot of new things i learned from this challenge. I'm proud i can make a working range slider and toggle button.

What specific areas of your project would you like help with?

Judging from the screenshot, the slider default value don't reflect the correct price and pageviews for that value. I think it had something to do with the window event but I don't know how or which event type this applies to.

I appreciate any kind of feedback.