How short can we write numbers in JavaScript without alphanumeric characters?

Without using any digits, letters or the identifier characters $ and _, how short can we write numbers in plain JavaScript?
Basics There are four ways to write the number 0 using only three…


Adding Negative Indexes to JavaScript Arrays

Every time I return from ruby/python to JavaScript I'll fall into the same mistake of writing arr[-1] and not getting the last item. JavaScript has a weird way of stringifying object keys which leads to stringifying array indexes which renders the above n... (more…)

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