How to insert a line break in js?

Question

im creating a bot for my discord server and am attempting to log messages onto a text file. I stored all the information i need about the message in a var named logger and am attempting to use node to append my log file.

I tried adding \n to the end of the variable but kept getting a syntax error that pointed to the "\" and said invalid or unexpected token

var logger = (message.author.username + "> " + message.content \n)
fs.appendFile('msgs.json', logger, (err) => {
    if (err) throw err;
})

I would like each entry to be on a different line

Possible duplicate of [How to break line in JavaScript?](https://stackoverflow.com/questions/4768118/how-to-break-line-in-javascript) — Vaibhav Vishal, Jan 10 '19 at 06:40

score 1 · Answer 1 · answered Jan 10 '19 at 06:37

1

new-line are characters that need to be concatenated onto the end of the string

var logger = (message.author.username + "> " + message.content + "\n")
fs.appendFile('msgs.json', logger, (err) => {
    if (err) throw err;
})

answered Jan 10 '19 at 06:37

sjdm

591
4
10

score 0 · Answer 2 · answered Jan 10 '19 at 06:38

0

Here you go, you need to quote the \n, either using double quote, single quote, or `

var logger = (message.author.username + "> " + message.content + "\n")
fs.appendFile('msgs.json', logger, (err) => {
    if (err) throw err;
})

answered Jan 10 '19 at 06:38

Van

636
3
14

score 0 · Answer 3 · answered Jan 10 '19 at 06:39

Looks like you are using Windows machine. Try using \r\n instead of just \n.

Honestly, \n is fine; you're probably viewing the log file in notepad or something else that doesn't render non-Windows newlines. Try opening it in a different viewer/editor (e.g. Wordpad).

Use:

var logger = (message.author.username + "> " + message.content + '\r\n')
fs.appendFile('msgs.json', logger, (err) => {
    if (err) throw err;
})

How to insert a line break in js?

3 Answers3