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How to check for NaN in JavaScript

How to check for NaN in JavaScript

Checking for NaN (“not a number”) is as simple as checking for self-equality in JavaScript.
Go to the profile of Dr. Derek Austin 🥳
Dr. Derek Austin 🥳
How to Trim Strings in JavaScript (ES2019)

How to Trim Strings in JavaScript (ES2019)

ECMAScript2019 added trimStart() / trimLeft() and trimEnd() / trimRight() functions to the string prototype.
Go to the profile of Dr. Derek Austin 🥳
Dr. Derek Austin 🥳
Javascript vs. Ruby

Javascript vs. Ruby

What’s the difference?
Go to the profile of Mariel Grace
Mariel Grace
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