https://www.reddit.com/r/learnjavascript/comments/4ztsz1/checking_if_a_url_exists_encountering_crossdomain
No-Library (pure JS), HTML, CSS, JavaScript
https://www.reddit.com/r/learnjavascript/comments/4prazh/how_to_create_table_with_jquery/
https://www.reddit.com/r/learnjavascript/comments/4oxslo/how_to_load_values_from_a_file/