That's not progressive enhancement, it's lazy loading.
Progressive enhancement would be making all of the content visible and accessible, then adding functionality on top after the base page load is complete. If JS is required to simply view the text on a page, you're doing it wrong.
Progressive enhancement would be making all of the content visible and accessible, then adding functionality on top after the base page load is complete. If JS is required to simply view the text on a page, you're doing it wrong.