This lesson introduces the `?.` operator which is known as [optional chaining](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Optional_chaining). We’re going to look at how we can use `?.` to safely descend into an object … more
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Release Notes for Safari Technology Preview 198
Safari Technology Preview Release 198 is now available for download for macOS Sequoia beta and macOS Sonoma. If you already have Safari Technology Preview installed, you can update it in System Settings under General → Read more…
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