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递归平化array高达depth倍。
4.4.0
array (Array):要平化的数组。 [depth=1] (number):最大递归深度。 (Array): 返回新的平化数组
var array = [1, [2, [3, [4]], 5]]; _.flattenDepth(array, 1); // => [1, 2, [3, [4]], 5] _.flattenDepth(array, 2); // => [1, 2, 3, [4], 5]