web storage example

by Haelle

HTML

<script src="//code.jquery.com/jquery-3.3.1.slim.min.js"></script>
<link rel="stylesheet" href="//stackpath.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css">
<script src="//cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.0/umd/popper.min.js"></script>
<script src="//stackpath.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">
<div class="container">
  <div class="row">
    <button id="button-counter" type="button" class="btn btn-primary">
  Click-me <span id="counter" class="badge badge-light">ERROR</span>
</button>
  </div>
  <div class="row">
    <div>
      <input id="input" placeholder="Example input" type="text">
      <br>
      <label id="text-label" for="input">Example input</label>
    </div>
  </div>
</div>

CSS

.row {
  background: #f8f9fa;
  margin-top: 20px;
}

.col {
  border: solid 1px #6c757d;
  padding: 10px;
}

JavaScript

function increaseCounter() {
	if (sessionStorage.counter) {
  	sessionStorage.counter = Number(sessionStorage.counter) + 1
  } else {
  	sessionStorage.counter = 1
  }
}

$('#counter').html(sessionStorage.counter)
$('#text-label').html(sessionStorage.content)

$('#button-counter').on('click', function() {
	increaseCounter()
	$('#counter').html(sessionStorage.counter)
})

$('#input').on('keyup', function() {
	sessionStorage.content = this.value
  $('#text-label').html(sessionStorage.content)
})