Array_.chunk_.compact_.concat_.difference_.differenceBy_.differenceWith_.drop_.dropRight_.dropRightWhile_.dropWhile_.fill_.findIndex_.findLastIndex_.flatten_.flattenDeep_.flattenDepth_.fromPairs_.head_.indexOf_.initial_.intersection_.intersectionBy_.intersectionWith_.join_.last_.lastIndexOf_.nth_.pull_.pullAll_.pullAllBy_.pullAllWithCollectionDateFunctionLang_.castArray_.clone_.cloneDeep_.cloneDeepWith_.cloneWith_.conformsTo_.eq_.gt_.gte_.isArguments_.isArray_.isArrayBuffer_.isArrayLike_.isArrayLikeObject_.isBoolean_.isBuffer_.isDate_.isElement_.isEmpty_.isEqual_.isEqualWith_.isError_.isFinite_.isFunction_.isInteger_.isLength_.isMap_.isMatch_.isMatchWith_.isNaN_.isNative_.isNil_.isNull_.isNumberMathObjectSeqString_.camelCase_.capitalize_.deburr_.endsWith_.escape_.escapeRegExp_.kebabCase_.lowerCase_.lowerFirst_.pad_.padEnd_.padStart(string ='',length = 0,chars ='')_.parseInt_.repeat(string ='',n = 1)_.replace(string ='',pattern,replacement)_.snakeCase_.split_.startCase_.startsWith_.template_.toLower_.toUpper_.trim_.trimEnd(string ='',chars = whitespace)_.trimStart_.truncate_.unescape_.upperCase_.upperFirstUtil_.attempt_.bindAll_.cond_.conforms_.constant_.defaultTo_.flow_.flowRight_.identity_.iteratee_.matches_.matchesProperty_.method_.methodOf_.mixin_.noConflict_.noop_.nthArg_.over_.overEvery_.overSome_.property_.propertyOf_.range_.rangeRight_.runInContext_.stubArray()_.stubFalse_.stubObject_.stubString_.stubTrue_.times_.toPath_.uniqueIdMethods创建一个分成两组的元素数组,其中第一个包含谓词返回truthy for的元素,第二个包含predicate返回falsey的元素。 谓词用一个参数调用:(value)。
3.0.0
collection (Array | Object):迭代的集合。 [predicate=_.identity] (Function):每次迭代调用的函数。 (Array):返回分组元素的数组。
var users = [
{ 'user': 'barney', 'age': 36, 'active': false },
{ 'user': 'fred', 'age': 40, 'active': true },
{ 'user': 'pebbles', 'age': 1, 'active': false }
];
_.partition(users, function(o) { return o.active; });
// => objects for [['fred'], ['barney', 'pebbles']]
// The `_.matches` iteratee shorthand.
_.partition(users, { 'age': 1, 'active': false });
// => objects for [['pebbles'], ['barney', 'fred']]
// The `_.matchesProperty` iteratee shorthand.
_.partition(users, ['active', false]);
// => objects for [['barney', 'pebbles'], ['fred']]
// The `_.property` iteratee shorthand.
_.partition(users, 'active');
// => objects for [['fred'], ['barney', 'pebbles']]