Zell Liew • 3/21/2018

How to build a calculator—part 1

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This article is part one of a three-part tutorial on creating a calculator that mimics the iPhone calculator's basic functions. It covers prerequisites like JavaScript fundamentals, setting up the HTML structure with a display and keys using CSS Grid, implementing event delegation to handle button clicks, and outlines the logic for number, operator, decimal, equal, and clear keys.

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#JavaScript #dom manipulation #css grid
How to build a calculator—part 1

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