One of the first JavaScript projects we made when I started learning coding was building a calculator, I wanted to repeat this from scratch with what I have learned since.
I had tried a few times before, but after having spent so much time on code challenges and working with vanilla JS and the DOM, I was a lot more confident this attempt. I tried to limit possible errors by preventing things like trailing operators, and prefixed 0's which caused the eval() function to break.
When I press the + key (or any other operator) on the numpad / keyboard, I want the appropriate operator function to be triggered instead of inserting the symbol into the entry field.
Currently the field will become invalid when a symbol is added, and not allow submission.
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