# cd project
# mkdir js_modules
# cd js_modules
# npm init -f
# npm install --save-dev webpack@2
# touch webpack.config.js
const path = require('path');
const config = {
entry: './src/index.js',
output: {
path: path.resolve(__dirname, 'build'),
filename: 'bundle.js'
}
};
module.exports = config;
# vi package.json
"scripts": {
"build": "webpack"
},
const sum = require('./sum');
const total = sum(10, 5);
console.log(total);
const sum = (a, b) => a + b;
module.exports = sum;
<html>
<head>
</head>
<body>
<script src="build/bundle.js"></script>
</body>
</html>