What is the function of path.join () in Node.js

This article introduces the relevant knowledge of "what is the role of path.join () in Node.js". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

You may be wondering why you use the path.join () method instead of string concatenation.

'/ path' +' /'+ 'to' +' /'+ 'test.txt' / /' / path/to/test.txt' ['/ path', 'to',' test.txt'] .join ('/') / /'/ path/to/test.txt'

1. Support for Windows. Windows uses a backslash (\) instead of a forward slash (/) as the path separator.

Path.join () will handle this problem for us. Because path.join ('data',' test.txt') returns' data/test.txt' on both Linux and OSX as well as on Windows.

2. It is used to deal with edge situations. When using file system paths, many edge cases pop up.

For example, if you try to connect two paths manually, you may accidentally get duplicate path delimiters. The path.join () method handles the slashes at the beginning and end for us.

Path.join ('data',' test.txt') / / 'data/test.txt'path.join (' data','/ test.txt') / / 'data/test.txt'path.join (' data/', 'test.txt') / /' data/test.txt'path.join ('data/') '/ test.txt') / /' data/test.txt' "what is the function of path.join () in Node.js?" that's it. Thank you for your reading. If you want to know more about the industry, you can follow the website, the editor will output more high-quality practical articles for you!