Zell Liew • 3/28/2018

How to build a calculator—part 2

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This article is part two of a three-part series on creating a fully functional calculator. It teaches how to code for edge cases and make the calculator resilient to unusual input patterns, such as handling multiple decimal points and operator key presses. It covers JavaScript methods like `includes` and managing state with data attributes.

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#JavaScript #dom manipulation #String Methods
How to build a calculator—part 2

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