JSFiddle - React, Tailwind, and code Playground
by Dogbert
HTML
<div id="foo">
<div class="yes"></div>
<div class="yes"></div>
<div class="yes"></div>
</div>
<div id="bar">
<div class="yes"></div>
<div class="yes"></div>
<div class="no"></div>
</div>
JavaScript
console.log([].every.call($("#foo div"), function(el) {
return $(el).hasClass("yes");
}));
console.log([].every.call($("#bar div"), function(el) {
return $(el).hasClass("yes");
}));