JSFiddle - React, Tailwind, and code Playground

HTML

<div class="image-container">
    <img width="174" height="174" src="http://mysite.com/images/portfolio/p1.jpg" class="image-style" typeof="foaf:Image">
    <img width="174" height="174" src="http://mysite.com/images/portfolio/p2.jpg" class="image-style" typeof="foaf:Image">
    <img width="174" height="174" src="http://mysite.com/images/portfolio/p3.jpg" class="image-style" typeof="foaf:Image">
    <img width="174" height="174" src="http://mysite.com/images/portfolio/p4.jpg" class="image-style" typeof="foaf:Image">
</div>

JavaScript

$('.image-container img').replaceWith(function(i, v){
    return $('<div/>', {
        style: 'background-image: url('+this.src+')',
        html: '<span>image</span>'
    }) 
})