JSFiddle - React, Tailwind, and code Playground
HTML
<ul class="leve1">
<li>
<div class="some">
<a href="http://upload.wikimedia.org/wikipedia/commons/2/2c/Opml-icon.svg">image1</a>
<a href="http://static1.businessinsider.com/image/511bdfde6bb3f76c0d000018-1200/eventually-perhaps-in-15-to-20-years-deep-space-will-mine-asteroids-for-metals-to-be-used-on-earth-this-makes-economic-sense-only-when-youre-using-all-the-parts-of-the-asteroid-for-the-space-market-says-gump.jpg">image2</a>
<a href="http://images3.wikia.nocookie.net/__cb20120109213354/section8/images/3/3e/Earth3.png">image3</a>
...
</div>
</li>
</ul>
<div id="dest"></div>
JavaScript
$('.some').on('click', 'a', function(ev) {
var img = new Image();
img.onload = loaded;
img.src = this.href;
ev.preventDefault();
});
function loaded() {
console.log('[LOADED] ' + this.src);
this.onload = null;
$('#dest').html($(this).fadeIn(1000));
}