This is a matching method like a machin for generating pin code.
- JavaScript
- CSS
- HTML
- first you have to click generate button to get a 4 digit pin code
- And than use the calculator & put the same input .
- Than click the Submit button.
- if your number is matched it will show a correct notification.
- if your number isn't correct than it will show a incorrect notification.
- you get three chances to enter the pin number accurately after that button will be disabled
- If you put nothing and click the submit button
- than you get a alert message.