jQuery toggleClass example

Toggle class name on click in jQuery

by Simon Dion

HTML

<div>
  Tirs : <input type="number" class="tirs" value="39" />
  Arrets : <input type="number" class="arrets" value="37" />
  <button>Montrer efficacité</button>
  Efficacité : <input type="text" readonly class="eff" />
</div>

CSS

body {
  color: white;
  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;
}

JavaScript

// find elements
var tirs = $(".tirs")
var arrets = $(".arrets")
var eff = $(".eff")
var button = $("button")

// handle click and add class
button.on("click", computeEfficacite)

function computeEfficacite(){
	$(eff).val((parseInt($(arrets).val()) / parseInt($(tirs).val())).toFixed(3) + ' %')
}
computeEfficacite()