What does <table border=""> does in html?

Answer 1

Adds border to a table... ~_~

Answer 2

it does nothing actually. declaring "" means no border.

Answer 3

Nothing to do at all, actually: deprecated in Html5, use css to style elements instead ^^

Answer 4

for make the border around the text.
like this--
<table border="2">
<tr>
<td> Red </td>
<td> Green </td>
</tr>
</table>