Features:
form validation with html validation format
phone number and email address with Reg expression
passwords should be match with Javascript function to go through register processing
show up the message below according to the filling content
CODE Github
HTML
all the inputs are required. If empty, register won’t pass.
the pattern of the phone is a reg expression with a 10 number format.
the password pattern is from RegExr
the message display box changing with Javascript. default is “here”
CSS
center the form container
