insert/remove HTML content between div tags

Question

how can I insert some HTML code between <div id="mydiv">...</div> using javascript?

Ex: <div id="mydiv"><span class="prego">Something</span></div> its about 10 lines of html of most. thank you

Answer 1

If you're replacing the contents of the div and have the HTML as a string you can use the following:

document.getElementById('mydiv').innerHTML = '<span class="prego">Something</span>';