How can I remove wrapper (parent element) without removing the child?

Question

I would like to remove the parent without removing the child - is this possible?

HTML structure:

  
         


        
                      

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Answer 1

Surprised that nobody's posting the simplest answer:

// Find your wrapper HTMLElement
var wrapper = document.querySelector('.wrapper');

// Replace the whole wrapper with its own contents
wrapper.outerHTML = wrapper.innerHTML;