tag displays in chrome but not source

Question

In doing some scraping work I keep encountering the tag in the Chrome DevTools inspector, but it doesn\'t appear in the source. For what I hope are ob

Answer 1

The start tag for is optional. That is, you can leave it out, but it is automatically inserted by the browser whenever needed.

And it is needed, because the rules say you can't have a tr directly in a table. The only children of a table element can be caption, colgroup, thead, tbody and tfoot.
So, if the browser encounters a tr outside a tbody, it inserts a tbody which the tr will reside in.

For a more formal way of saying this, see http://www.w3.org/TR/html-markup/tbody.html

By the way, the very same happens with other start tags, like . If you omit that, writin, say, a

directly after the , the browser will insert an implied automatically.