JSFiddle - React, Tailwind, and code Playground

HTML

<div ng-controller="MyController">
    <img lazy-load ll-src="http://i.imgur.com/WwPPm0p.jpg" />
</div>

JavaScript

angular.module('myApp', [])
.controller('MyController', function($scope) {})
.directive('lazyLoad', function($timeout) {
    return {
        restrict:'A',
        scope: {},
        link: function(scope, elem, attrs) {
            $timeout(function(){ elem.attr('src', attrs.llSrc) });
        },
    }
});