> For the complete documentation index, see [llms.txt](https://lodash.shujuwajue.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://lodash.shujuwajue.com/summary.md).

# SUMMARY

* [介绍](/master.md)
* [Array（数组操作）](/array.md)
  * [\_.chunk（分块）](/array/chunk.md)
  * [\_.compact（过滤假值）](/array/compact.md)
  * [\_.concat（连接）](/array/concat.md)
  * [\_.difference（过滤值）](/array/difference.md)
  * [\_.differenceBy（过滤值）](/array/differenceby.md)
  * [\_.differenceWith（过滤值）](/array/differencewith.md)
  * [\_.drop（开头丢掉n个元素）](/array/drop.md)
  * [\_.dropRight(结尾丢掉n个元素)](/array/dropright.md)
  * [\_.dropRightWhile（结尾丢失元素）](/array/droprightwhile.md)
  * [\_.dropWhile（开头丢掉元素）](/array/dropwhile.md)
  * [\_.fill（填充数组值）](/array/fill.md)
  * [\_.findIndex（查找元素索引值）](/array/findindex.md)
  * [\_.findLastIndex（查找元素的索引值）](/array/findlastindex.md)
  * [\_.first -> head（取数组第一个元素）](/array/first-head.md)
  * [\_.flatten（减少一层嵌套）](/array/flatten.md)
  * [\_.flattenDeep（递归为一维数组）](/array/flattendeep.md)
  * [\_.flattenDepth(减少depth层嵌套)](/array/flattendepth.md)
  * [\_.fromPairs(返回键值对对象)](/array/frompairs.md)
  * [\_.indexOf（获取元素的索引值）](/array/indexof.md)
  * [\_.initial（去除最后一个元素）](/array/initial.md)
  * [\_.intersection（数组交集）](/array/intersection.md)
  * [\_.intersectionBy（数组交集）](/array/intersectionby.md)
  * [\_.intersectionWith（数组交集）](/array/intersectionwith.md)
  * [\_.join（转字符串，类php-implode）](/array/join.md)
  * [\_.last（获取最后一个元素）](/array/last.md)
  * [\_.lastIndexOf（获取元素的索引值）](/array/lastindexof.md)
  * [\_.nth（获取元素的值）](/array/nth.md)
  * [\_.pull（删除数组中元素）](/array/pull.md)
  * [\_.pullAll（删除数组中元素）](/array/pullall.md)
  * [\_.pullAllBy（删除数组中的元素）](/array/pullallby.md)
  * [\_.pullAllWith（删除数组中的元素）](/array/pullallwith.md)
  * [\_.pullAt（删除数组中的元素）](/array/pullat.md)
  * [\_.remove（删除数组中的元素）](/array/remove.md)
  * [\_.reverse（元素位置反转）](/array/reverse.md)
  * [\_.slice（数组截取）](/array/slice.md)
  * [\_.sortedIndex（获取索引值）](/array/sortedindex.md)
  * [\_.sortedIndexBy（获取索引值）](/array/sortedindexby.md)
  * [\_.sortedIndexOf（获取索引值）](/array/sortedindexof.md)
  * [\_.sortedLastIndex（获取索引值）](/array/sortedlastindex.md)
  * [\_.sortedLastIndexBy（获取索引值）](/array/sortedlastindexby.md)
  * [\_.sortedLastIndexOf（获取索引值）](/array/sortedlastindexof.md)
  * [\_.sortedUniq（数组去重）](/array/sorteduniqarray.md)
  * [\_.sortedUniqBy（数组去重）](/array/sorteduniqby.md)
  * [\_.tail（除最后元素的数组）](/array/tailarray.md)
  * [\_.take（数组截取）](/array/take.md)
  * [\_.takeRight（数组截取）](/array/takeright.md)
  * [\_.takeRightWhile（数组截取）](/array/takerightwhile.md)
  * [\_.takeWhile（数组截取）](/array/takewhile.md)
  * [\_.union（数组合并）](/array/union.md)
  * [\_.unionBy（数组合并）](/array/unionby.md)
  * [\_.unionWith（数组合并）](/array/unionwith.md)
  * [\_.uniq（数组去重）](/array/uniq.md)
  * [\_.uniqBy（数组去重）](/array/uniqby.md)
  * [\_.uniqWith（数组去重）](/array/uniqwithff08-shu-zu-qu-zhong-ff09.md)
  * [\_.unzip（数组重组）](/array/unzip.md)
  * [\_.unzipWith（数组重组）](/array/unzipwith.md)
  * [\_.without（过滤元素值）](/array/without.md)
  * [\_.xor（数组取差集）](/array/xor.md)
  * [\_.xorBy（数组取差集）](/array/xorby.md)
  * [\_.xorWith（数组取差集）](/array/xorwith.md)
  * [\_.zip（数组重组）](/array/zip.md)
  * [\_.zipObject（返回键值对新数组）](/array/zipobject.md)
  * [\_.zipObjectDeep（返回键值对新数组）](/array/zipobjectdeep.md)
  * [\_.zipWith（数组重组）](/array/zipwith.md)
* [Collection（集合操作）](/collection.md)
  * [\_.countBy（迭代处理数组或对象中的值）](/collection/countby.md)
  * [\_.each -> forEach（遍历数组或对象）](/collection/each-foreach.md)
  * [\_.eachRight -> forEachRight](/collection/eachright-foreachright.md)
  * [\_.every（断言数组或对象中的值）](/collection/every.md)
  * [\_.filter（过滤数组或者对象）](/collection/filter.md)
  * [\_.find（查找数组或对象中符合条件的值）](/collection/find.md)
  * [\_.findLast（查找数组或对象中符合条件的值）](/collection/findlast.md)
  * [\_.flatMap（创建同阶数组）](/collection/flatmap.md)
  * [\_.flatMapDeep（创建同阶数组）](/collection/flatmapdeep.md)
  * [\_.flatMapDepth（创建同阶数组）](/collection/flatmapdepth.md)
  * [\_.forEach（遍历数组或对象）](/collection/foreach.md)
  * [\_.forEachRight（从右到左遍历数组或对象）](/collection/foreachright.md)
  * [\_.groupBy（遍历处理数组或对象元素值）](/collection/groupby.md)
  * [\_.includes（检查值是否在数组/对象/字符串中）](/collection/includes.md)
  * [\_.invokeMap](/collection/invokemap.md)
  * [\_.keyBy（遍历处理数组或对象元素值）](/collection/keyby.md)
  * [\_.map（迭代遍历处理数组或对象元素）](/collection/map.md)
  * [\_.orderBy（数组或对象元素值排序）](/collection/orderby.md)
  * [\_.partition（数组或对象断言分组）](/collection/partition.md)
  * [\_.reduce（数组或对象迭代累加后的结果）](/collection/reduce.md)
  * [\_.reduceRight（数组或对象迭代累加后的结果）](/collection/reduceright.md)
  * [\_.reject（\_.filter的反向方法）](/collection/reject.md)
  * [\_.sample（从对象或数组中获得一个随机元素）](/collection/sample.md)
  * [\_.sampleSize（从对象或数组中获得n个随机元素）](/collection/samplesize.md)
  * [\_.shuffle（创建一个被打乱的数组集合）](/collection/shuffle.md)
  * [\_.size（返回数组或对象的长度）](/collection/size.md)
  * [\_.some（迭代断言函数，遇true停）](/collection/some.md)
  * [\_.sortBy（数组或对象排序）](/collection/sortby.md)
* [Date（日期操作）](/date.md)
  * [\_.now（时间戳）](/date/now.md)
* [Function（操作函数）](/function.md)
  * [\_.after（n次后出发某个函数）](/function/after.md)
  * [\_.ary](/function/ary.md)
  * [\_.before](/function/before.md)
  * [\_.bind](/function/bind.md)
  * [\_.bindKey](/function/bindkey.md)
  * [\_.curry](/function/curry.md)
  * [\_.curryRight](/function/curryright.md)
  * [\_.debounce](/function/debounce.md)
  * [\_.defer](/function/defer.md)
  * [\_.delay](/function/delay.md)
  * [\_.flip](/function/flip.md)
  * [\_.memoize](/function/memoize.md)
  * [\_.negate](/function/negate.md)
  * [\_.once](/function/once.md)
  * [\_.overArgs](/function/overargs.md)
  * [\_.partial](/function/partial.md)
  * [\_.partialRight](/function/partialright.md)
  * [\_.rearg](/function/rearg.md)
  * [\_.rest](/function/rest.md)
  * [\_.spread](/function/spread.md)
  * [\_.throttle](/function/throttle.md)
  * [\_.unary](/function/unary.md)
  * [\_.wrap](/function/wrap.md)
* [Lang（类型转换与类型判断操作）](/lang.md)
  * [\_.castArray（强转成数组）](/lang/castarray.md)
  * [\_.clone（数据的浅克隆）](/lang/clone.md)
  * [\_.cloneDeep（数据的深克隆）](/lang/clonedeep.md)
  * [\_.cloneDeepWith（数据的深克隆）](/lang/clonedeepwith.md)
  * [\_.cloneWith（数据的浅克隆）](/lang/clonewith.md)
  * [\_.conformsTo（对象断言判断）](/lang/conformsto.md)
  * [\_.eq（两值是否相等）](/lang/eq.md)
  * [\_.gt（是否大于某值）](/lang/gt.md)
  * [\_.gte（是否大于等于某值）](/lang/gte.md)
  * [\_.isArguments（是否是arguments对象）](/lang/isarguments.md)
  * [\_.isArray（是否是数组）](/lang/isarray.md)
  * [\_.isArrayBuffer（是否是ArrayBuffer对象）](/lang/isarraybuffer.md)
  * [\_.isArrayLike（是否是类数组）](/lang/isarraylike.md)
  * [\_.isArrayLikeObject（是否是类对象数组）](/lang/isarraylikeobject.md)
  * [\_.isBoolean（是否是boolean类型）](/lang/isboolean.md)
  * [\_.isBuffer（是否是个 buffer）](/lang/isbuffer.md)
  * [\_.isDate（是否是Date对象）](/lang/isdatevalue.md)
  * [\_.isElement（是否是DOM元素）](/lang/iselement.md)
  * [\_.isEmpty（是否为空）](/lang/isempty.md)
  * [\_.isEqual（两值是否相等）](/lang/isequal.md)
  * [\_.isEqualWith（两值是否相等）](/lang/isequalwith.md)
  * [\_.isError（是否是Error相关对象）](/lang/iserror.md)
  * [\_.isFinite（是否是有限数值）](/lang/isfinite.md)
  * [\_.isFunction（是否是Function对象）](/lang/isfunction.md)
  * [\_.isInteger（是否是整数）](/lang/isinteger.md)
  * [\_.isLength（是否为有效的类数组长度）](/lang/islength.md)
  * [\_.isMap（是否是Map对象）](/lang/ismap.md)
  * [\_.isMatch（是否匹配给定的值）](/lang/ismatch.md)
  * [\_.isMatchWith（是否匹配给定值）](/lang/ismatchwith.md)
  * [\_.isNaN（是否是NaN值）](/lang/isnanvalue.md)
  * [\_.isNative（是否是原生函数）](/lang/isnative.md)
  * [\_.isNil（是否是null或者undefined）](/lang/isnil.md)
  * [\_.isNull（是否为null）](/lang/isnullvalue.md)
  * [\_.isNumber（是否是数值）](/lang/isnumber.md)
  * [\_.isObject（是否是对象）](/lang/isobject.md)
  * [\_.isObjectLike（是否是类对象）](/lang/isobjectlike.md)
  * [\_.isPlainObject（是否是普通对象）](/lang/isplainobject.md)
  * [\_.isRegExp（是否为RegExp对象）](/lang/isregexp.md)
  * [\_.isSafeInteger（是否是安全整数）](/lang/issafeinteger.md)
  * [\_.isSet（是否为Set对象）](/lang/isset.md)
  * [\_.isString（是否为字符串）](/lang/isstring.md)
  * [\_.isSymbol（是否为Symbol对象）](/lang/issymbol.md)
  * [\_.isTypedArray（是否为是否是TypedArray对象）](/lang/istypedarray.md)
  * [\_.isUndefined（是否为undefined）](/lang/isundefined.md)
  * [\_.isWeakMap（是否为WeakMap对象）](/lang/isweakmap.md)
  * [\_.isWeakSet（是否为WeakSet对象）](/lang/isweakset.md)
  * [\_.lt（两值比较小于）](/lang/lt.md)
  * [\_.lte（两值比较小于等于）](/lang/lte.md)
  * [\_.toArray（强转为数组）](/lang/toarray.md)
  * [\_.toFinite（强转为有限数字）](/lang/tofinite.md)
  * [\_.toInteger（强转为整数）](/lang/tointeger.md)
  * [\_.toLength（强转为整数）](/lang/tolength.md)
  * [\_.toNumber（强转为数字）](/lang/tonumber.md)
  * [\_.toPlainObject（强转为普通对象）](/lang/toplainobject.md)
  * [\_.toSafeInteger（强转为安全整数）](/lang/tosafeinteger.md)
  * [\_.toString（强转为字符串）](/lang/tostring.md)
* [Math（数学操作）](/math.md)
  * [\_.add（两个数求和）](/math/add.md)
  * [\_.ceil（向上舍入）](/math/ceil.md)
  * [\_.divide（两个数相除）](/math/divide.md)
  * [\_.floor（向下舍入）](/math/floor.md)
  * [\_.max（取数组中最大值）](/math/max.md)
  * [\_.maxBy（取数组中最大值）](/math/maxby.md)
  * [\_.mean（求数组中值平均值）](/math/mean.md)
  * [\_.meanBy（求数组中值平均值）](/math/meanby.md)
  * [\_.min（取数组中最小值）](/math/min.md)
  * [\_.minBy（取数组中最小值）](/math/minby.md)
  * [\_.multiply（两数相乘求积）](/math/multiply.md)
  * [\_.round（四舍五入）](/math/round.md)
  * [\_.subtract（两数相减求差）](/math/subtract.md)
  * [\_.sum（求数组中值总和）](/math/sum.md)
  * [\_.sumBy（求数组中值总和）](/math/sumby.md)
* [Number（数值操作）](/number.md)
  * [\_.clamp（求夹值）](/number/clamp.md)
  * [\_.inRange（判断值是否在区间内）](/number/inrange.md)
  * [\_.random（获取随机数）](/number/random.md)
* [Object（对象操作）](/object.md)
  * [\_.assign](/object/assign.md)
  * [\_.assignIn](/object/assignin.md)
  * [\_.assignInWith](/object/assigninwith.md)
  * [\_.assignWith](/object/assignwith.md)
  * [\_.at](/object/at.md)
  * [\_.create](/object/create.md)
  * [\_.defaults](/object/defaults.md)
  * [\_.defaultsDeep](/object/defaultsdeep.md)
  * [\_.entries -> toPairs](/object/entries-topairs.md)
  * [\_.entriesIn -> toPairsIn](/object/entriesin-topairsin.md)
  * [\_.extend -> assignIn](/object/extend-assignin.md)
  * [\_.extendWith -> assignInWith](/object/extendwith-assigninwith.md)
  * [\_.findKey](/object/findkey.md)
  * [\_.findLastKey](/object/findlastkey.md)
  * [\_.forIn](/object/forin.md)
  * [\_.forInRight](/object/forinright.md)
  * [\_.forOwn](/object/forown.md)
  * [\_.forOwnRight](/object/forownright.md)
  * [\_.functions](/object/functions.md)
  * [\_.functionsIn](/object/functionsin.md)
  * [\_.get](/object/get.md)
  * [\_.has](/object/has.md)
  * [\_.hasIn](/object/hasin.md)
  * [\_.invert](/object/invert.md)
  * [\_.invertBy](/object/invertby.md)
  * [\_.invoke](/object/invoke.md)
  * [\_.keys](/object/keys.md)
  * [\_.keysIn](/object/keysin.md)
  * [\_.mapKeys](/object/mapkeys.md)
  * [\_.mapValues](/object/mapvalues.md)
  * [\_.merge](/object/merge.md)
  * [\_.mergeWith](/object/mergewith.md)
  * [\_.omit](/object/omit.md)
  * [\_.pick](/object/pick.md)
  * [\_.pickBy](/object/pickby.md)
  * [\_.result](/object/result.md)
  * [\_.set](/object/set.md)
  * [\_.setWith](/object/setwith.md)
  * [\_.toPairs](/object/topairs.md)
  * [\_.toPairsIn](/object/topairsin.md)
  * [\_.transform](/object/transform.md)
  * [\_.unset](/object/unset.md)
  * [\_.update](/object/update.md)
  * [\_.updateWith](/object/updatewith.md)
  * [\_.values](/object/values.md)
  * [\_.valuesIn](/object/valuesin.md)
* [Seq](/seq.md)
  * [\_](/seq/_.md)
  * [\_.chain](/seq/chain.md)
  * [\_.tap](/seq/tap.md)
  * [\_.thru](/seq/thru.md)
  * [\_.prototype\[Symbol.iterator\]](/seq/prototypesymboliterator.md)
  * [\_.prototype.at](/seq/prototypeat.md)
  * [\_.prototype.chain](/seq/prototypechain.md)
  * [\_.prototype.commit](/seq/prototypecommit.md)
  * [\_.prototype.next](/seq/prototypenext.md)
  * [\_.prototype.plant](/seq/prototypeplant.md)
  * [\_.prototype.reverse](/seq/prototypereverse.md)
  * [\_.prototype.toJSON -> value](/seq/prototypetojson-value.md)
  * [\_.prototype.value](/seq/prototypevalue.md)
  * [\_.prototype.valueOf -> value](/seq/prototypevalueof-value.md)
* [String（字符串操作）](/string.md)
  * [\_.camelCase（转驼峰）](/string/camelcase.md)
  * [\_.capitalize（首字母大写其他小写）](/string/capitalize.md)
  * [\_.deburr（拉丁语字母处理）](/string/deburr.md)
  * [\_.endsWith（检测结尾字符串）](/string/endswith.md)
  * [\_.escape（转html实体字符）](/string/escape.md)
  * [\_.escapeRegExp（转义正则特殊字符）](/string/escaperegexp.md)
  * [\_.kebabCase（以-连接字符串）](/string/kebabcase.md)
  * [\_.lowerCase（空格分开单词并转小写）](/string/lowercase.md)
  * [\_.lowerFirst（仅首字母小写其他不变）](/string/lowerfirst.md)
  * [\_.pad（左右填充字符）](/string/pad.md)
  * [\_.padEnd（右侧填充字符）](/string/padend.md)
  * [\_.padStart（左侧填充字符）](/string/padstart.md)
  * [\_.parseInt（转成不同进制整数）](/string/parseint.md)
  * [\_.repeat（重复给定字符串）](/string/repeat.md)
  * [\_.replace（字符串替换）](/string/replace.md)
  * [\_.snakeCase（以下划线\_连接字符串）](/string/snakecase.md)
  * [\_.split（拆分字符串为数组）](/string/split.md)
  * [\_.startCase（空格间隔的首字母大写单词）](/string/startcase.md)
  * [\_.startsWith（检查开头字符串）](/string/startswith.md)
  * [\_.template（创建预编译模板方法）](/string/template.md)
  * [\_.toLower（字符串转小写）](/string/tolower.md)
  * [\_.toUpper（字符串转大写）](/string/toupper.md)
  * [\_.trim（移除两侧空格或指定字符）](/string/trim.md)
  * [\_.trimEnd（移除尾部空格或指定字符）](/string/trimend.md)
  * [\_.trimStart（移除头部空格或指定字符）](/string/trimstart.md)
  * [\_.truncate（截断字符串）](/string/truncate.md)
  * [\_.unescape（转实体为对应字符）](/string/unescape.md)
  * [\_.upperCase（空格分隔的大写单词）](/string/uppercase.md)
  * [\_.upperFirst（仅首字母大写其他不变）](/string/upperfirst.md)
  * [\_.words（拆分字符串为数组）](/string/words.md)
* [Util（工具方法）](/util.md)
  * [\_.attempt](/util/attempt.md)
  * [\_.bindAll](/util/bindall.md)
  * [\_.cond](/util/cond.md)
  * [\_.conforms](/util/conforms.md)
  * [\_.constant](/util/constant.md)
  * [\_.defaultTo](/util/defaultto.md)
  * [\_.flow](/util/flow.md)
  * [\_.flowRight](/util/flowright.md)
  * [\_.identity](/util/identity.md)
  * [\_.iteratee](/util/iteratee.md)
  * [\_.matches](/util/matches.md)
  * [\_.matchesProperty](/util/matchesproperty.md)
  * [\_.method](/util/method.md)
  * [\_.methodOf](/util/methodof.md)
  * [\_.mixin](/util/mixin.md)
  * [\_.noConflict](/util/noconflict.md)
  * [\_.noop](/util/noop.md)
  * [\_.nthArg](/util/ntharg.md)
  * [\_.over](/util/over.md)
  * [\_.overEvery](/util/overevery.md)
  * [\_.overSome](/util/oversome.md)
  * [\_.property](/util/property.md)
  * [\_.propertyOf](/util/propertyof.md)
  * [\_.range](/util/range.md)
  * [\_.rangeRight](/util/rangeright.md)
  * [\_.runInContext](/util/runincontext.md)
  * [\_.stubArray](/util/stubarray.md)
  * [\_.stubFalse](/util/stubfalse.md)
  * [\_.stubObject](/util/stubobject.md)
  * [\_.stubString](/util/stubstring.md)
  * [\_.stubTrue](/util/stubtrue.md)
  * [\_.times](/util/times.md)
  * [\_.toPath](/util/topath.md)
  * [\_.uniqueId](/util/uniqueid.md)
* [Properties（略，不常用）](/properties.md)
* [Methods（略，不常用）](/methods.md)
* [SUMMARY](/summary.md)
* [附录:资料](/fu-5f553a-zi-liao.md)