JSFiddle - React, Tailwind, and code Playground
HTML
<div class="center">
<div class="foo_1">foo_1</div>
<div class="foo_2">foo_2</div>
<div class="test">to nie foo</div>
<div class="foo_3">foo_3</div>
</div>
JavaScript
$( "div[class^='foo']" ).each(function( index ) {
var newCanvas = $('<canvas/>',{
'class':'radHuh',
id: 'myCanvas'+ index
}).prop({
width: 100,
height: 100
});
$(this).append(newCanvas);
var c=document.getElementById("myCanvas"+index);
var ctx=c.getContext("2d");
ctx.font="20px Georgia";
ctx.fillText("Canvas "+index,5,50);
});