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  1. [ References  ](/en-US/docs/Web)
  2. [ JavaScript  ](/en-US/docs/Web/JavaScript)
  3. [ Reference  ](/en-US/docs/Web/JavaScript/Reference)
  4. [ Standard built-in objects  ](/en-US/docs/Web/JavaScript/Reference/Global_Objects)
  5. [ Set  ](/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set)

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##  In this article

  * Description 
  * Constructor 
  * Static properties 
  * Instance properties 
  * Instance methods 
  * Examples 
  * Specifications 
  * Browser compatibility 
  * See also 

  1. [ Standard built-in objects ](/en-US/docs/Web/JavaScript/Reference/Global_Objects)
  2. _[ ` Set ` ](/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set) _
  3. Constructor 
    1. [ ` Set() constructor ` ](/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set/Set)
  4. Properties 
    1. [ ` Set[@@species] ` ](/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set/@@species)
    2. [ ` Set.prototype.size ` ](/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set/size)
  5. Methods 
    1. [ ` Set.prototype[@@iterator]() ` ](/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set/@@iterator)
    2. [ ` Set.prototype.add() ` ](/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set/add)
    3. [ ` Set.prototype.clear() ` ](/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set/clear)
    4. [ ` Set.prototype.delete() ` ](/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set/delete)
    5. [ ` Set.prototype.difference() ` ](/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set/difference)
    6. [ ` Set.prototype.entries() ` ](/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set/entries)
    7. [ ` Set.prototype.forEach()