页面加载时自动加载模式的问题Rails 5 Tailwindcss

Hey all I am trying to build a modal that loads 10 seconds after a user lands on my homepage. I have a basic modal example Ive added into my app and have tied to add custom js (my weakness, I'm trying to learn it...). when I inspect the element in chrome I see this error:Hey all I am trying to build a modal that loads