While learning about HTML, I noticed that simply using img src="...." worked fine. However, when working with Express, the same code did not work! The documentation mentioned that I needed to place the images in a folder named public, require('path'), and use app.use(express.static(__dirname + "/public")); I am confused as to why there should be a difference between them.
This isn't about HTML versus Express. It's more a matter of HTML combined with whatever alternative you're using instead of Express, as opposed to HTML paired with Express.
For the image to display correctly, the src attribute must specify the URL of the image.
If you're developing an HTTP server in Express, it will be necessary to write code that assigns a URL to the image. Typically, this is accomplished using the static middleware for static files such as most images.
Alternatively, if you're utilizing a pre-existing web server that supports static files or can read directly from the file system, they should handle generating the image's URL automatically.
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