13 lines
407 B
JavaScript
13 lines
407 B
JavaScript
|
define(['./_isArrayLike', './values', './indexOf'], function (_isArrayLike, values, indexOf) {
|
||
|
|
|
||
|
|
// Determine if the array or object contains a given item (using `===`).
|
||
|
|
function contains(obj, item, fromIndex, guard) {
|
||
|
|
if (!_isArrayLike(obj)) obj = values(obj);
|
||
|
|
if (typeof fromIndex != 'number' || guard) fromIndex = 0;
|
||
|
|
return indexOf(obj, item, fromIndex) >= 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
return contains;
|
||
|
|
|
||
|
|
});
|