on change select item
$('select').on('change', function (e) {
var optionSelected = $("option:selected", this);
var valueSelected = this.value;
....
});on change select item
$('select').on('change', function (e) {
var optionSelected = $("option:selected", this);
var valueSelected = this.value;
....
});html select change event
select.addEventListener('change', function);on select price change
<select class="form-control calculate" id="size" name="size">
<option data-price="5.00" value="Small">Small</option>
<option data-price="10.00" value="Medium">Medium</option>
<option data-price="15.00" value="Large">Large</option>
</select>
<span id="item-price">00</span>
<script type="text/javascript" src="jquery-1.11.0.js"></script>
<script type="text/javascript">
var basePrice = 0;
$(".calculate").change(function () {
newPrice = basePrice;
$(".calculate option:selected").each(function () {
newPrice += parseFloat($(this).data('price'));
console.log(typeof newPrice);
});
newPrice = newPrice.toFixed(2);
$("#item-price").html(newPrice);
});
</script>Copyright © 2021 Codeinu
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