data-fsc-item-quantity

Quantity:

<span data-fsc-item-path="phot-io-main-app" data-fsc-item-quantity>

    <!--This value will be replaced-->

</span>

<br /><br />

<!--

    DEMO SETUP

        - Initialize the Store Builder Library

        - Add an input or select to take a user defined quantity

        - Add a button to show updatedable quantity

        - Define a function to update quantity

-->

<script

    id="fsc-api"

    src="https://sbl.onfastspring.com/sbl/1.0.2/fastspring-builder.min.js"

    type="text/javascript"

    data-storefront="fastspringexamples.test.onfastspring.com/popup-fastspringexamples">

</script>

​

<select id="qty">

    <option value="1">1</option>

    <option value="2">2</option>

    <option value="3">3</option>

    <option value="4">4</option>

    <option value="5">5</option>

</select>

​

<button onclick="addQty();">Update Quantity</button>

​

<script type="text/javascript">

    function addQty() {

        var qty = document.getElementById("qty").value;

        fastspring.builder.update('phot-io-main-app', qty)

    }

</script>