Not sure it's relevant cause it's linked to the CMS I use, but basically, this is an ajax call

function onChangeOffer(field) {
    var form = $(field.form);
    $.request('onAjax', {
        form: form,
        loading: $.oc.stripeLoadIndicator,
        update: {
            'product/images':'#images-wrapper',
            'product/price':'#price-wrapper'
        },
    });
}

the list under update option are partials (block containing html code) to be refreshed. Here is the content of partial product/images

<img class="lazy" data-mdb-lazy-src="{{ obProduct.preview_image.path|resize(700,false) }}" data-mdb-lazy-placeholder="{{ obProduct.preview_image.path|resize(70,false) }}" alt="{{ obProduct.preview_image.title }}" />

I need an example to see how you are refreshing part of the page. Please create a snippet where this issue will occur.