This is a solution to the Intro component with sign up form challenge on Frontend Mentor. Frontend Mentor challenges help you improve your coding skills by building realistic projects.
Users should be able to:
- View the optimal layout for the site depending on their device's screen size
- See hover states for all interactive elements on the page
- Receive an error message when the
form
is submitted if:- Any
input
field is empty. The message for this error should say "[Field Name] cannot be empty" - The email address is not formatted correctly (i.e. a correct email address should have this structure:
[email protected]
). The message for this error should say "Looks like this is not an email"
- Any
- Solution URL: Add solution URL here
- Live Site URL: Add live site URL here
- Semantic HTML5 markup
- CSS custom properties
- Flexbox
- CSS Grid
- Mobile-first workflow
- Javscript
// Email validation function
function isEmailValid(email) {
const emailRegexp = new RegExp(
/^[a-zA-Z0-9][\-_\.\+\!\#\$\%\&\'\*\/\=\?\^\`\{\|]{0,1}([a-zA-Z0-9][\-_\.\+\!\#\$\%\&\'\*\/\=\?\^\`\{\|]{0,1})*[a-zA-Z0-9]@[a-zA-Z0-9][-\.]{0,1}([a-zA-Z][-\.]{0,1})*[a-zA-Z0-9]\.[a-zA-Z0-9]{1,}([\.\-]{0,1}[a-zA-Z]){0,}[a-zA-Z0-9]{0,}$/i
);
}
if (!isEmailValid(email.value)) {
// If there is an error, we add error class to parent element
formControl[2].classList.add("error");
} else {
// If the email is valid we display nothing or we remove the error message
formControl[2].classList.add("success");
}
- Javscript Form validation
- Example resource 1 - This helped me for the form validation aspect...
- Website - Add your name here
- Frontend Mentor - @yourusername
- Twitter - @yourusername