#Login validation - written in pure javascript

Javascript password and email validation. Submit via XMLHttpRequest. Tests done in Mocha. Simple frontend completely supported RWD. This validation has a lot of conditions to check:

• proper email address based on RFC 2822 format
• check if login/password is empty
• check password length
• check if password contains numbers
• check if password contains lowercase letters
• check if password contains uppercase letters
• show info/error above the form after submit

All covered by tests.

Browser supported: IE9+, Firefox, Chrome, Safari.