Don’t go to w3schools. Check the w3c documentation for pre and code instead.
PRE:
The PRE element tells visual user agents that the enclosed text is
“preformatted”. When handling preformatted text, visual user agents:
- May leave white space intact.
- May render text with a fixed-pitch font.
- May disable automatic word wrap.
- Must not disable bidirectional processing.
CODE:
Designates a fragment of computer code.