Login Register

_.negate

negate_.negate(predicate)
Returns a new negated version of the predicate function.

var isFalsy = _.negate(Boolean);
_.find([-2, -1, 0, 1, 2], isFalsy);
=> 0

Links:

http://underscorejs.org/index#negate

doc_Underscore

2016-04-09 09:05:30

Comments

Leave a Comment

Please login to continue.

Popular Articles

_.negate _.negate(predicate) source npm package Creates a function that negates the result of the predicate func. The func predicate is invoked with the thi

std::negate Defined in header <functional> template< class T > struct negate; (until C++14) template< class T = void > struct neg

decimal.Context.copy_negate() copy_negate(x) Returns a copy of x with the sign inverted.

std::negation Defined in header <type_traits> template<class B> struct negation; (1) (since C++17) Forms the logical negation of the typ

std::binary_negate Defined in header <functional> template< class Predicate > struct binary_negate : public std::binary_function< Pre