Add class to parent based on text of child

Add a class to a parent wrapper, depending on if one of its child elements has certain text within it.

by Jon Fuller

HTML

<div id="banner-message">
  <p>Hello World</p>
  <button>Change <span class="test">this is my color</span></button>
</div>

CSS

body {
  background: #20262E;
  padding: 20px;
  font-family: Helvetica;
}

#banner-message {
  background: #fff;
  border-radius: 4px;
  padding: 20px;
  font-size: 25px;
  text-align: center;
  transition: all 0.2s;
  margin: 0 auto;
  width: 300px;
}

button {
  background: #0084ff;
  border: none;
  border-radius: 5px;
  padding: 8px 14px;
  font-size: 15px;
  color: #fff;
}

#banner-message.alt {
  background: #0084ff;
  color: #fff;
  margin-top: 40px;
  width: 200px;
}

#banner-message.alt button {
  background: #fff;
  color: #000;
}

.inactive {
	border: 5px solid red;
}

JavaScript

jQuery('#banner-message:has(span.test:contains("color"))').addClass('inactive');