JSFiddle - React, Tailwind, and code Playground
by vi161
HTML
<button id='btn'>button</button>
<img id='pic' class="d-none" src="">
CSS
#pic {
background: gray;
width: 200px;
height: 200px;
}
.d-none {
display: none;
}
JavaScript
let btn = document.getElementById('btn');
let pic = document.getElementById('pic');
btn.addEventListener('click', openImgFunc);
function openImgFunc() {
pic.classList.remove('d-none');
}