Path in src to reach a file in a different directory

问题

I have a folder called projects and in it I have a game folder and an engine folder. I have my engine.js file inside the engine folder and I was wondering if I could access it with my game.html file from the other folder like so

 <script type ="text/javascript" src ="\engine/engine.js"/>

Now, obviously the above doesn't work, but what I need to do is go back out of the game folder to the project folder and then into the engine folder.

File tree: projects folder

• projects
  • engine
    • engine.js
  • game
    • game.js

What is the proper format for src to provide users with a link to engine.js?

回答1:

Use a double-dot to go back:

src="../engine/engine.js"

回答2:

That would be:

<script type ="text/javascript" src ="../engine/engine.js"/>

来源：https://stackoverflow.com/questions/8889354/path-in-src-to-reach-a-file-in-a-different-directory