How to do this step?

[davidivad96]

4. Load ./google-form.js in your browser, or require it with browserify or webpack.

I don't know how to load that script in my browser.

[jameswilson]

cd path/to/project
wget https://raw.githubusercontent.com/jsdevel/google-form/master/google-form.js

Then add the following to the bottom of your HTML:

<script src="google-form.js"></script>