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amysimmons/sets.md

Created July 17, 2018 20:28
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sets.md 
// REGULAR ARRAY (can have duplicates)

x = []
x.push(1)
x.push(1)
x.length // 2

// SET (cannot have duplicates)

y = new Set()
y.add(1)
y.add(1)
y.size // 1
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