The `_.contains()` function in underscore library is used to determine whether a given element is present in a given array or object. It returns a boolean value true if the element is present otherwise false. This function searches the given element in the array or object and returns a boolean value according to its presence.
Examples: 1. Check if an element exists in an array:
JavaScript _.contains - 30 examples found. These are the top rated real world JavaScript examples of Underscore._.contains extracted from open source projects. You can rate examples to help us improve the quality of examples.