JS: Set.prototype.delete

By Xah Lee. Date: . Last updated: .

New in ES2015.

set_obj.delete(value)

Delete value in the set set_obj.

Return true if found, else false.

const s = new Set([4, 5, 6]);

// delete a value. return true if found
console.log(s.delete(5)); // true

console.log(s.delete(99)); // false

console.log(s); // Set { 4, 6 }

Reference

ECMAScript 2015 §Keyed Collection#sec-set.prototype.delete

Set Topic

  1. JS: the Set Object Tutorial
  2. JS: Set Union, Intersection, Difference
  3. JS: Set Object
  4. JS: Set.prototype
  5. JS: Set.prototype.forEach
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