Building the JavaScript `ParseInt()` Katas

I had planned building the kata for `Number.parseInt()` already a while ago.
Starting to work I discovered very quickly that this seemingly tiny kata is quite a
rabbit hole that offers a lot of things one can learn.
Especially about how things evolve in … Read more

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JavaScript Variables: var and let and const

There are three ways to create variables in a JavaScript application: using var, using let, or using const. This will not be a post trying to convince you which one you should use, or arguing about what is best. It’s just good to know about the difference... (more…)

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