Mastering JavaScript: Targeting at JavaScript Versions or Features | packtpub.com

Part of 'Mastering JavaScript' video series. For full Course visit:

One of the vital parts of building a library, a framework, or original code that interacts directly with the browser is the need to test and validate compatibility with the browser.
• The important decision is: should we focus on the JavaScript version or feature availability?
• Create a pure JavaScript onLoad script
• Learn JavaScript feature detection and workarounds

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