I\'m sending variables to a text box as a concatenated string so I can include multiple variables in on getElementById call.
I need to specify a line break
You need to use \n inside quotes.
\n
document.getElementById("address_box").value = (title + "\n" + address + "\n" + address2 + "\n" + address3 + "\n" + address4)
\n is called a EOL or line-break, \n is a common EOL marker and is commonly refereed to as LF or line-feed, it is a special ASCII character
EOL
line-break
LF
line-feed
ASCII