March 2018
Intermediate to advanced
592 pages
13h 44m
English
Content preview from Advanced Node.js Development
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Testing messaging in a Firefox browser using Heroku
Now, to demonstrate this, what I'll open up a separate browser. I'll open up Firefox and type in the exact same URL. Then, I'll copy this URL and grab the Firefox browser, making it smaller so we can quickly switch between the two, opening up the Heroku app here:
Now, Firefox also has Developer Tools available via the menu in the top-right corner. There, we have a Web Developer section; we're looking for Web Console:
Now that we have this open, we can go into Developer tools for our Chrome ...