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Mastering JavaScript: Building a Conditional Logic Flow | packtpub.com

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Part of 'Mastering JavaScript' video series. For full Course visit:
There is a new feature in town called querySelectorAll. Before we can start working with it, we need to filter out and define the browsers that support this feature, while building the foundation for an alternative solution.
• Discover the available support levels in browsers
• Create a conditional feature script
• Take a first look at the querySelectorAll method
For the latest web development video tutorials, please visit
There is a new feature in town called querySelectorAll. Before we can start working with it, we need to filter out and define the browsers that support this feature, while building the foundation for an alternative solution.
• Discover the available support levels in browsers
• Create a conditional feature script
• Take a first look at the querySelectorAll method
For the latest web development video tutorials, please visit