JSFiddle - React, Tailwind, and code Playground
HTML
<svg id="svg">
<g id="g">
<path d="M 50,50 l 100,0 0,100 -100,0 Z" stroke="#2A5"></path>
</g>
<g id="rectGroup">
<rect id="rect" x="200" y="50" width="100" height="100"></rect>
</g>
</svg>
CSS
#svg {
width: 500px;
height: 500px;
}
svg,g,path,rect {
transition: all 1s linear 1s;
}
JavaScript
var group = document.getElementById('g')
var rect = document.getElementById('rectGroup');
group.style.transformOrigin = '100px 100px'
group.style.transform = 'rotate(90deg)'
rect.style.transformOrigin = '250px 100px';
rect.style.transform = 'rotate(90deg)'