node.js – JavaScript file net::ERR_ABORTED 404 (Not Found)

node.js – JavaScript file net::ERR_ABORTED 404 (Not Found)

The problem I noticed here is this line app.use(express.static(../../project));
What you are doing is setting the folder project to public. Your JS files are inside a static folder, and they do not get read. I would suggest the following structure:

project 
  server.js
  static (folder)
    HTML (folder for all HTML files)
    css (folder for all css files)
    js (folder for all js files)

Then in your server.js file:

const express = require(express);
const app = express();

app.set(view engine, ejs);
app.use(express.static(./static));

node.js – JavaScript file net::ERR_ABORTED 404 (Not Found)