Input email type is used to create email field and it restrict to take only email from users at the submission of data.
<input type=email
/>
You can use email in forms and any where within an HTML document.
Input is unpair tag and output of email is email field like you can see in above example.
Open notepad or any other text editor, follow the following points.
Send Email
save file with name task.html or task.htm and then open it using any browser and see results.
Don't forget input is empty element which means it always comes in single not in pair.