JSFiddle - React, Tailwind, and code Playground

by JAAulde

HTML

<input class="input_text" name="qty[]" type="text" id="qty_field1" size="6" />
<input class="input_text" name="qty[]" type="text" id="qty_field2" size="6" />
<input class="input_text" name="qty[]" type="text" id="qty_field3" size="6" />
<button id="ser">Serialize</button>

JavaScript

$( '#ser' ).click( function( e )
{
    var params = $.param( $( '[name="qty\[\]"]' ) );
    $( 'body' ).append( '<p>' + params + '</p>' );

    e.preventDefault();
} );