_.includes

contains_.contains(list, value, [fromIndex]) Alias: includes
Returns true if the value is present in the list. Uses indexOf internally, if list is an Array. Use fromIndex to start your search at a given index.

_.contains([1, 2, 3], 3);
=> true

Links:

http://underscorejs.org/index#contains

doc_Underscore

2016-04-09 09:05:19

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