JSFiddle - React, Tailwind, and code Playground

HTML

<div class="block">
  
</div>

CSS

.block{
  height: 100px;
  background: #000;
}

.mobil{
  background: red;
}

.mobil--clicked {
  background: blue;
}

JavaScript

$('body').on('click', '.mobil', function() {
  $(this).addClass("mobil--clicked");
});



window.onresize = (function() {
  var $element = $('.block'),
      $doc = $(document),
      doit,
      resizedw = (function func(){
        if ( $doc.width() < 500 ){
          $element.addClass("mobil");
        } else {
          $element.removeClass("mobil mobil--clicked");
        }
        return func;
      })();
  
  return function() {
    clearTimeout(doit);
    doit = setTimeout(resizedw, 0);
  }
})();