hokein/index.html

## index.html
<!DOCTYPE html>
<html>
<head>
<script src="test.js"></script>
</head>
<input id="openFile" type="file" />

</body>
</html>

## main.js
var app = require('app');  // Module to control application life.
var BrowserWindow = require('browser-window');  // Module to create native browser window.

// Report crashes to our server.
require('crash-reporter').start();

// Keep a global reference of the window object, if you don't, the window will
// be closed automatically when the javascript object is GCed.
var mainWindow = null;

// Quit when all windows are closed.
app.on('window-all-closed', function() {
  if (process.platform != 'darwin')
    app.quit();
});

// This method will be called when Electron has done everything
// initialization and ready for creating browser windows.
app.on('ready', function() {
  // Create the browser window.
  mainWindow = new BrowserWindow({width: 800, height: 600});

  // and load the index.html of the app.
  mainWindow.loadUrl('file://' + __dirname + '/index.html');

  // Emitted when the window is closed.
  mainWindow.on('closed', function() {
    // Dereference the window object, usually you would store windows
    // in an array if your app supports multi windows, this is the time
    // when you should delete the corresponding element.
    mainWindow = null;
  });
});

## package.json
{
  "name"    : "test",
  "version" : "0.1.0",
  "main"    : "main.js"
}

## test.js
var remote = require('remote');
var dialog = remote.require('dialog');

document.addEventListener('DOMContentLoaded', function() {
   document.getElementById('openFile').addEventListener('change', function() { console.log(this.value); });
});
	<!DOCTYPE html>
	<html>
	<head>
	<script src="test.js"></script>
	</head>
	<input id="openFile" type="file" />

	</body>
	</html>
	var app = require('app'); // Module to control application life.
	var BrowserWindow = require('browser-window'); // Module to create native browser window.

	// Report crashes to our server.
	require('crash-reporter').start();

	// Keep a global reference of the window object, if you don't, the window will
	// be closed automatically when the javascript object is GCed.
	var mainWindow = null;

	// Quit when all windows are closed.
	app.on('window-all-closed', function() {
	if (process.platform != 'darwin')
	app.quit();
	});

	// This method will be called when Electron has done everything
	// initialization and ready for creating browser windows.
	app.on('ready', function() {
	// Create the browser window.
	mainWindow = new BrowserWindow({width: 800, height: 600});

	// and load the index.html of the app.
	mainWindow.loadUrl('file://' + __dirname + '/index.html');

	// Emitted when the window is closed.
	mainWindow.on('closed', function() {
	// Dereference the window object, usually you would store windows
	// in an array if your app supports multi windows, this is the time
	// when you should delete the corresponding element.
	mainWindow = null;
	});
	});
	var remote = require('remote');
	var dialog = remote.require('dialog');

	document.addEventListener('DOMContentLoaded', function() {
	document.getElementById('openFile').addEventListener('change', function() { console.log(this.value); });
	});