How do different browsers handle JavaScript operators?
Different browsers generally handle JavaScript operators consistently, but there can be variations in performance and edge cases. For example, the behavior of the ==
operator can differ in strict mode.
Can you give me an example of an operator that behaves differently?
Sure! The Array.prototype.includes()
method is supported in most modern browsers, but older versions of Internet Explorer do not support it.
What about the nullish coalescing operator (??)? Is it widely supported?
The nullish coalescing operator (??) is supported in most modern browsers, including Chrome, Firefox, and Edge, but not in Internet Explorer.
How can I check browser compatibility for specific operators?
You can use resources like MDN Web Docs or Can I Use to check the compatibility of specific JavaScript operators across different browsers.
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