Always "Please enter username",,,do you have similar problems?
Add an id="username" to the username input box to get the entered username
Why are there so many non-issues here?
Print the user name to see if the entered user name is not obtained
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Add an id="username" to the username input box to get the entered username
Why are there so many non-issues here?
Print the user name to see if the entered user name is not obtained