https://www.woodenhottubsale.co.uk/wp-content/themes/maya/js/woocommerce.js?ver=1.0

1jQuery( document ).ready( function( $ ) {
2
3
4    // Quantity buttons
5    var add_quantity_button = function () {
6        $( 'div.quantity:not(.buttons_added), td.quantity:not(.buttons_added)' ).addClass( 'buttons_added' ).append( '<input type="button" value="+" class="plus" />' ).prepend( '<input type="button" value="-" class="minus" />' );
7    }
8    //fix woocommerce composite
9    $( document ).on( 'wc-composite-ui-updated qv_loader_stop cart_page_refreshed wc_fragments_refreshed applied_coupon update_shipping_method removed_coupon updated_wc_div', add_quantity_button);
10
11    add_quantity_button();
12    
13    $( document ).on( 'click', '.plus, .minus', function() {
14
15        // Get values
16        var $qty		= $( this ).closest( '.quantity' ).find( '.qty' ),
17            currentVal	= parseFloat( $qty.val() ),
18            max			= parseFloat( $qty.attr( 'max' ) ),
19            min			= parseFloat( $qty.attr( 'min' ) ),
20            step		= $qty.attr( 'step' );
21
22        // Format values
23        if ( ! currentVal || currentVal === '' || currentVal === 'NaN' ) currentVal = 0;
24        if ( max === '' || max === 'NaN' ) max = '';
25        if ( min === '' || min === 'NaN' ) min = 0;
26        if ( step === 'any' || step === '' || step === undefined || parseFloat( step ) === 'NaN' ) step = 1;
27
28        // Change the value
29        if ( $( this ).is( '.plus' ) ) {
30
31            if ( max && ( max == currentVal || currentVal > max ) ) {
32                $qty.val( max );
33            } else {
34                $qty.val( currentVal + parseFloat( step ) );
35            }
36
37        } else {
38
39            if ( min && ( min == currentVal || currentVal < min ) ) {
40                $qty.val( min );
41            } else if ( currentVal > 0 ) {
42                $qty.val( currentVal - parseFloat( step ) );
43            }
44
45        }
46
47        // Trigger change event
48        $qty.trigger( 'change' );
49    });
50
51    $( document ).on( 'qv_loader_stop', function() {
52
53        $( 'div.quantity:not(.buttons_added), td.quantity:not(.buttons_added)' ).addClass( 'buttons_added' ).append( '<input type="button" value="+" class="plus" />' ).prepend( '<input type="button" value="-" class="minus" />' );
54
55    });
56
57});