Javascript is Disabled error in browser

I’m trying to convert this one-page photography HTML template into a Wordpress website. The thumbnails display when I post images from my WP back-end. The challenge is that the image when its thumbnail is clicked doesn’t display in the main content section of the slider. Instead it displays “Javascript is disabled”. I’ve attached the screenshot which shows my challenge;

.I’m not allowed to post more than one image because I’m a new user. Your help would be really appreciated guys. Thanks.