JSFiddle - React, Tailwind, and code Playground

JavaScript

var getImageSize = function(src) {
    var img = new Image();
    $(img).bind('load', function(e) {
        var height = img.height;
        var width = img.width;
        document.write('width:' + width + ', height: ' + height);
    });
    img.src = src;
};

getImageSize('http://farm4.static.flickr.com/3261/5791911248_b777cb1dde_b.jpg');