[ ECMAScript Language Specification  
#  sec-array.prototype.includes  ](https://tc39.es/ecma262/multipage/indexed-
collections.html#sec-array.prototype.includes)  
  
##  Browser compatibility

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##  See also

  * [ Polyfill of ` Array.prototype.includes ` in ` core-js ` ](https://github.com/zloirock/core-js#ecmascript-array)
  * [ Indexed collections ](/en-US/docs/Web/JavaScript/Guide/Indexed_collections) guide 
  * [ ` Array ` ](/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)
  * [ ` Array.prototype.indexOf() ` ](/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/indexOf)
  * [ ` Array.prototype.find() ` ](/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/find)
  * [ ` Array.prototype.findIndex() ` ](/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/findIndex)
  * [ ` TypedArray.prototype.includes() ` ](/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/includes)
  * [ ` String.prototype.includes() ` ](/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/includes)

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