JSFiddle - React, Tailwind, and code Playground

HTML

<select id="featuredSelectField" name="addid7617843" size="1">
    <option value="" data-value="">Select an option</option>
    <option value="10493640" data-value="10493640" data-qty="30" data-mxqty="30">Size 5.5 - $111.99</option>
    <option value="10493639" data-value="10493639" data-qty="120" data-mxqty="50">Size 5 - $111.99</option>
    <option style="display: none;" disabled="disabled" value="10792504" data-value="10792504" data-qty="0" data-mxqty="0">Size 10 - $111.99 Sold Out</option>
    <option value="10493644" data-value="10493644" data-qty="138" data-mxqty="50">Size 7 - $111.99</option>
    <option value="10493642" data-value="10493642" data-qty="22" data-mxqty="22">Size 6.5 - $111.99</option>                
    <option value="10493641" data-value="10493641" data-qty="57" data-mxqty="50">Size 6 - $111.99</option>              
    <option value="10493648" data-value="10493648" data-qty="99" data-mxqty="50">Size 9 - $111.99</option>      
    <option value="10493647" data-value="10493647" data-qty="28" data-mxqty="28">Size 8.5 - $111.99</option>                
    <option value="10493646" data-value="10493646" data-qty="74" data-mxqty="50">Size 8 - $111.99</option>                  
    <option value="11288830" data-value="11288830" data-qty="1" data-mxqty="1">Size 4.5 - $111.99</option>
    <option value="10493645" data-value="10493645" data-qty="51" data-mxqty="50">Size 7.5 - $111.99</option>                    
    <option value="10792503" data-value="10792503" data-qty="5" data-mxqty="5">Size 9.5 - $111.99</option>
    <option value="11288831" data-value="11288831" data-qty="6" data-mxqty="6">Size 4 - $111.99</option>
</select>


<select id="" name="addid7617843" size="1">
    <option value="" data-value="">Select an option - Original</option>
    <option value="10493640" data-value="10493640" data-qty="30" data-mxqty="30">Size 5.5 - $111.99</option>
    <option value="10493639" data-value="10493639" data-qty="120" data-mxqty="50">Size 5 -...

JavaScript

var selectList = $('#featuredSelectField option');

selectList.sort(function(a,b){
    a = a.value;
    b = b.value;
 
    return a-b;
});
$('select').eq(0).html(selectList);