Set - aizatto.com

Set

​MDN​
Notes:
Use Set.add vs Map.set
Use Set.size vs Array.length
To remove/delete: use delete
Set Cloning
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const new = new Set(old);
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Or if enabled:
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const new = ...old
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Set Iteration
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for (let value of set.values()) {
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  ...
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}
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To Array
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Array.from(new Set())
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Differences
​https://github.com/aizatto/nodejs/blob/master/src/fn.js#L42​
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function setMath<T>(a: Set<T>, b: Set<T>) {
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  return {
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    remove: [...a].filter(x => !b.has(x)),
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    add: [...b].filter(x => !a.has(x)),
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  };
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}
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​

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Contents

Notes:

Set Cloning

Set Iteration

To Array

Differences

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