Common JavaScript Mistakes — Part 2

Undefined and null, addition and concatenation, and more

John Au-Yeung
Nov 6 · 6 min read
Photo by Eric Han on Unsplash

JavaScript is a language that’s friendlier than many other programming languages in the world. However, it’s still very easy to make mistakes when writing JavaScript code through misunderstanding or overlooking stuff that we already know. By avoiding some of the mistakes below, we can make our lives easier by…

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John Au-Yeung

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Better Programming

Advice for programmers.

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