Built-in Iterables
built-in iterables explained using examples
You have seen four examples for built-in iterables among the previous lessons:
- Arrays are iterables, and work well with the
for-of
loop. - Strings are iterables as arrays of 2 to 4-byte characters.
- DOM data structures are also iterables. If you want proof, just open a random website, and execute
[...document.querySelectorAll('p')]
in the console - Maps and Sets are iterables.
Let’s experiment with built-in iterables a bit:
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