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This article is part of the web development series from Microsoft tech evangelists and engineers on practical JavaScript learning, open source projects, and interoperability best practices including Microsoft Edge browser.
We encourage you to test across browsers and devices including Microsoft Edge – the default browser for Windows 10 – with free tools on dev.microsoftedge.com, including F12 developer tools—seven distinct, fully-documented tools to help you debug, test, and speed up your webpages. Also, visit the Edge blog to stay updated and informed from Microsoft developers and experts.