Array includes()The includes() method of arrays and typed arrays returns whether a given value appears in the array.arraysArrayswidely2016-09-202019-03-20https://tc39.es/ecma262/multipage/indexed-collections.html#sec-array.prototype.includeshttps://tc39.es/ecma262/multipage/indexed-collections.html#sec-%25typedarray%25.prototype.includesarray-includeshttps://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Array/includesjavascript.builtins.Array.includesjavascript.builtins.TypedArray.includeshttps://nowyoucanuse.com/features--array-includes.html