Replace image src without an ID tag on

Question

How can I replace the image src and header which do not have an ID tag on. I can only edit the js and css file.

<div id="funded_courses">
<img src="images/funded_courses.jpg"/>
<h3>Header</h3>
<div id="imageText" class="leftText spacing">The Credit .......</div>
<hr/>
<span id="image1" class="dot"></span>
<span id="image2" class="dot"></span>
<span id="image3" class="dot"></span>
</div>

Answer 1

document.querySelector('#funded_courses img').src = 'new.jpg';

Answer 2

Thank you very much Calviղ ! How can I amend the <h3>Header<h3> part in javascript file? Many thanks in advance.

Answer 3

Calviղ Thank you very much! Have been spending hours trying to solve based on the div ID😭

Answer 4

document.querySelector('#funded_courses h3').innerText = 'New text';