JSFiddle - React, Tailwind, and code Playground
by Matt Hopkins
HTML
<form name="form1" id="form1" method="post" action="https://dualpolymersystem.com/store/detail.php">
<input type="text" name="products[113][qty]" style="width:50px" value="1">
<input type="hidden" name="products[113][op_id]" value="113">
<input type="submit" value="Add To Cart"/>
</form>
<button onclick="formData">Add To Cart</button>
JavaScript
function formData() {
var theForm = document.getElementById('form1');
console.log(new FormData(theForm));
}