What is the difference between <br>and<br /> or <input> or <input />?? And Which is better to write??

Answer 1

Mohan Shrestha No difference,
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https://www.tutorialspoint.com/What-is-the-correct-way-of-using-br-br-or-br-in-HTML

Answer 2

No difference.
Better to use closing tags (<br/>, <input/>) because that support all browsers..
Xhtml require to end tags strictly..