INCREMENT AND DECREMENT NUMBERS ONCLICK

by Carl Angelo Nievarez

HTML

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<form>
  <div class="input-group"><span class="input-group-btn">
      <button class="btn btn-default" type="button" onClick="javascript:this.form.amount.value--;">          <span class="fa fa-minus" ></span></button>
    </span>
    <input type="text" class="form-control" value="5" name=amount value="5">
    <span class="input-group-btn">
      <button class="btn btn-default" type="button" onClick="javascript:this.form.amount.value++;">
          <span class="fa fa-plus" ></span></button>
    </span>
  </div>
</form>