npmjs.org "isString" keyword
validate-is-string 1.0.0
Check if a parameter is a string.1 version - Latest release: about 1 year ago - 9 downloads last month - 1 maintainer
Top 1.7% on npmjs.org
4 versions - Latest release: over 4 years ago - 1,808 dependent packages - 1,693,704 dependent repositories - 303 million downloads last month - 103 stars on GitHub - 1 maintainer
core-util-is 1.0.3 💰
The `util.is*` functions introduced in Node v0.12.4 versions - Latest release: over 4 years ago - 1,808 dependent packages - 1,693,704 dependent repositories - 303 million downloads last month - 103 stars on GitHub - 1 maintainer
confirm-data 1.0.0
This package is for confirming data that will take arguments to verify its value and type.1 version - Latest release: almost 6 years ago - 1 dependent package - 12 downloads last month - 0 stars on GitHub - 1 maintainer
@mjmasn/core-util-is 1.0.3 💰
The `util.is*` functions introduced in Node v0.12. Now with React Native support.1 version - Latest release: about 8 years ago - 1 dependent package - 1 dependent repositories - 3 downloads last month - 102 stars on GitHub - 1 maintainer
core-util-is-react-native 1.0.3 💰
The `util.is*` functions introduced in Node v0.12.1 version - Latest release: over 6 years ago - 1 dependent package - 1 dependent repositories - 11 downloads last month - 101 stars on GitHub - 1 maintainer
@voidvolker/is 1.0.1
Set of shortands of Object.prototype.toString for fast and simple type check2 versions - Latest release: over 2 years ago - 1 dependent package - 5 downloads last month - 0 stars on GitHub - 1 maintainer
typesof 1.1.3
javascript类型判断5 versions - Latest release: over 5 years ago - 37 downloads last month - 1 maintainer
Top 4.8% on npmjs.org
46 versions - Latest release: over 3 years ago - 11 dependent packages - 43 dependent repositories - 3.03 thousand downloads last month - 25 stars on GitHub - 1 maintainer
prototyped.js 3.0.5
Common typescript ready prototypes available in both CommonJS and ECMAScript46 versions - Latest release: over 3 years ago - 11 dependent packages - 43 dependent repositories - 3.03 thousand downloads last month - 25 stars on GitHub - 1 maintainer
wc-test-vue 0.0.1
1 version - Latest release: about 4 years ago - 20 downloads last month - 1 maintainer@processdrive/is-string 1.0.0
creating first node pkg1 version - Latest release: over 4 years ago - 1 dependent package - 3 downloads last month - 0 stars on GitHub - 1 maintainer
Top 5.5% on npmjs.org
56 versions - Latest release: 13 days ago - 23 dependent packages - 129 dependent repositories - 2.65 million downloads last month - 8 stars on GitHub - 2 maintainers
@nevware21/ts-utils 0.13.0 💰
Comprehensive TypeScript/JavaScript utility library with cross-environment support (Node.js, brow...56 versions - Latest release: 13 days ago - 23 dependent packages - 129 dependent repositories - 2.65 million downloads last month - 8 stars on GitHub - 2 maintainers
@util.js/strings 0.41.3
JavaScript utility methods for strings22 versions - Latest release: almost 3 years ago - 7 dependent packages - 1 dependent repositories - 42 downloads last month - 4 stars on GitHub - 1 maintainer
Top 8.2% on npmjs.org
6 versions - Latest release: over 4 years ago - 4 dependent packages - 7 dependent repositories - 2.29 thousand downloads last month - 3 stars on GitHub - 1 maintainer
@js-utilities/typecheck 0.1.6
Utility library for javascript type checking.6 versions - Latest release: over 4 years ago - 4 dependent packages - 7 dependent repositories - 2.29 thousand downloads last month - 3 stars on GitHub - 1 maintainer
is-check 1.0.2
Check if the given value is of a specific type.3 versions - Latest release: over 10 years ago - 2 dependent packages - 2 dependent repositories - 10 downloads last month - 0 stars on GitHub - 1 maintainer
node-screwdriver 0.1.7
Node toolkit adding some helpful functions: files, array, string, color, math ...8 versions - Latest release: over 8 years ago - 3 dependent packages - 2 dependent repositories - 4.61 thousand downloads last month - 0 stars on GitHub - 1 maintainer
paracetamol 0.7.2
declarative check type of function arguments and development profiler for your functions3 versions - Latest release: over 9 years ago - 1 dependent package - 1 dependent repositories - 10 downloads last month - 2 stars on GitHub - 1 maintainer
Top 3.8% on npmjs.org
14 versions - Latest release: over 5 years ago - 8 dependent packages - 32 dependent repositories - 23 thousand downloads last month - 27 stars on GitHub - 1 maintainer
ts-type-guards 0.7.0
Curried TypeScript type guards for primitive types and classes14 versions - Latest release: over 5 years ago - 8 dependent packages - 32 dependent repositories - 23 thousand downloads last month - 27 stars on GitHub - 1 maintainer
cc-typejs 1.0.4
Javascript data type check true or false.5 versions - Latest release: almost 5 years ago - 1 dependent package - 5 downloads last month - 1 maintainer
js-util-type 0.1.1
A utility function to fix and extend the built-in ''typeof'' operator of JavaScript.1 version - Latest release: over 7 years ago - 1 dependent package - 1 dependent repositories - 8 downloads last month - 1 maintainer
ziyo-functions 0.0.8
一些常用的公共方法7 versions - Latest release: over 8 years ago - 1 dependent package - 1 dependent repositories - 16 downloads last month - 1 maintainer
@technobuddha/library 2.0.3
A large library of useful functions20 versions - Latest release: 6 months ago - 3 dependent packages - 1 dependent repositories - 56 downloads last month - 0 stars on GitHub - 1 maintainer
vanilla-type-check 2.0.3
Basic type checker6 versions - Latest release: about 7 years ago - 2 dependent packages - 8 dependent repositories - 68 downloads last month - 0 stars on GitHub - 1 maintainer
@mozeyinedu/check 2.0.0
@mozeyinedu/check is a package that contains functions that check some conditions just to preserv...6 versions - Latest release: over 1 year ago - 3 dependent packages - 5 dependent repositories - 8 downloads last month - 0 stars on GitHub - 1 maintainer
json8-isString 1.0.0
JSON isString method1 version - Latest release: almost 10 years ago - 2 dependent packages - 1 dependent repositories - 3 downloads last month - 106 stars on GitHub - 1 maintainer
isbox 1.0.5
js各种类型判断工具/A type tool for javascript5 versions - Latest release: over 3 years ago - 1 dependent package - 70 downloads last month - 1 stars on GitHub - 1 maintainer
Top 6.5% on npmjs.org
3 versions - Latest release: over 7 years ago - 4 dependent packages - 468 dependent repositories - 1.73 thousand downloads last month - 2 stars on GitHub - 1 maintainer
typeco 1.0.0 💰
A javascript library which allows to check javascript value types at runtime3 versions - Latest release: over 7 years ago - 4 dependent packages - 468 dependent repositories - 1.73 thousand downloads last month - 2 stars on GitHub - 1 maintainer
typest 1.0.7
js各种类型判断工具/A type tool for javascript8 versions - Latest release: over 3 years ago - 2 dependent packages - 1 dependent repositories - 22 downloads last month - 1 stars on GitHub - 1 maintainer
robb 0.2.1
Simple type checker in JavaScript.3 versions - Latest release: about 14 years ago - 2 dependent packages - 6 dependent repositories - 2.52 thousand downloads last month - 2 stars on GitHub - 1 maintainer
@extremejs/utils 1.0.0-beta.22
ExtremeJS Utilities22 versions - Latest release: almost 2 years ago - 1 dependent package - 562 downloads last month - 2 stars on GitHub - 1 maintainer
typest2 1.0.7
js各种类型判断工具/A type tool for javascript。 原typest归属账号neo***8迁移到本npm下。1 version - Latest release: over 2 years ago - 22 downloads last month - 1 stars on GitHub - 1 maintainer
is-checker 1.0.12
Simple and light-weight JavaScript type checker that brings convenience!11 versions - Latest release: over 3 years ago - 1 dependent package - 129 downloads last month - 2 stars on GitHub - 1 maintainer
@soei/util 1.1.8
JavaScript轻量工具类~20 versions - Latest release: over 1 year ago - 195 downloads last month - 3 stars on GitHub - 1 maintainer
strility 1.3.1
Strility is a string manipulation library5 versions - Latest release: almost 9 years ago - 1 dependent package - 2 dependent repositories - 45 downloads last month - 1 stars on GitHub - 1 maintainer
es-suite 1.1.1
ES helper functions from ES5 shim with no dependencies2 versions - Latest release: 9 months ago - 20 downloads last month - 1 maintainer
@amandaghassaei/type-checks 1.1.1 💰
A collection of JavaScript type checks.6 versions - Latest release: over 2 years ago - 3 dependent packages - 1 dependent repositories - 1.43 thousand downloads last month - 1 stars on GitHub - 1 maintainer
@konfirm/is-type 1.0.9
Simple Object type/name checks10 versions - Latest release: over 5 years ago - 3 dependent packages - 2 dependent repositories - 17 downloads last month - 0 stars on GitHub - 1 maintainer
@quackxl/utility 0.0.4
JS常用工具封装5 versions - Latest release: over 1 year ago - 30 downloads last month - 1 maintainer
ts-core-utils-is 1.0.0
1 version - Latest release: almost 6 years ago - 1.32 thousand downloads last month - 1 maintainerstring-or-not 1.0.0
This package is t check whether is string or not ?1 version - Latest release: about 3 years ago - 1 downloads last month - 1 maintainer
ps-util-is 1.0.1
This module copies functionality of core-util-is v1.0.2 for ExtendScript.2 versions - Latest release: over 7 years ago - 1 dependent package - 1 dependent repositories - 20 downloads last month - 0 stars on GitHub - 1 maintainer
@silen/is-string 1.0.3 removed
Check if the parameter is string3 versions - Latest release: over 5 years ago - 1 dependent package - 9 downloads last month - 1 maintainer
node-native 0.1.6
NodeJS Native Helper6 versions - Latest release: over 11 years ago - 1 dependent package - 1 dependent repositories - 68 downloads last month - 0 stars on GitHub - 1 maintainer
@renet-consulting/util 17.0.0
This library provides next util: isBoolean, isFunction, isNumber, isNumbers, isObject and isStrin...9 versions - Latest release: about 2 years ago - 4 dependent packages - 1 dependent repositories - 89 downloads last month - 3 stars on GitHub - 2 maintainers
dcsm-type-helper 4.0.1
A vanilla JavaScript library for checking the type of variables in a more robust and accurate way...6 versions - Latest release: over 2 years ago - 2 dependent packages - 1 dependent repositories - 24 downloads last month - 0 stars on GitHub - 1 maintainer
type-checker-helpers 1.0.1
JavaScript library to check data types2 versions - Latest release: over 6 years ago - 1 dependent package - 1 dependent repositories - 3 downloads last month - 0 stars on GitHub - 1 maintainer
json-buff 0.0.9
JSON that supports binary via bops & base649 versions - Latest release: about 6 years ago - 2 dependent packages - 27 downloads last month - 5 stars on GitHub - 1 maintainer
@keworks/string-utils 0.1.1
javascript string utils2 versions - Latest release: over 5 years ago - 1 dependent package - 23 downloads last month - 1 maintainer
@alttiri/util-js 1.9.1
Some util functions for personal use19 versions - Latest release: over 2 years ago - 2 dependent packages - 3 dependent repositories - 237 downloads last month - 0 stars on GitHub - 1 maintainer
advance-javascript 1.0.4
a collection of javascript prototype extensions that make your javascript coding very easy and ha...5 versions - Latest release: over 4 years ago - 2 dependent packages - 26 downloads last month - 0 stars on GitHub - 1 maintainer
whats-the-type 2.4.0
Type detection beyond `typeof`16 versions - Latest release: almost 4 years ago - 1 dependent package - 2 dependent repositories - 103 downloads last month - 0 stars on GitHub - 1 maintainer
is-string-not 1.0.0
This package is to check whether is string or not ?1 version - Latest release: about 3 years ago - 10 downloads last month - 1 maintainer
existjs 2.1.0
Check variable existence3 versions - Latest release: almost 8 years ago - 2 dependent packages - 4 dependent repositories - 15 downloads last month - 1 maintainer
pp-is 1.2.7
Collection of methods for check19 versions - Latest release: 9 months ago - 7 dependent packages - 5 dependent repositories - 117 downloads last month - 0 stars on GitHub - 1 maintainer
any-utils 1.9.5
js 工具库37 versions - Latest release: over 4 years ago - 4 dependent packages - 1 dependent repositories - 272 downloads last month - 5 stars on GitHub - 1 maintainer
@multi-kit/inspect 0.0.23
This library provides core functionalities for determining the type of a given object, supporting...6 versions - Latest release: 11 months ago - 31 downloads last month - 1 maintainer
@soei/tools 1.0.15
工具类15 versions - Latest release: about 2 months ago - 3 dependent packages - 30 downloads last month - 1 maintainer
ccax 1.0.3
This library will help to assert the parameters, instances, classes, functions, primitive/non-pri...4 versions - Latest release: over 2 years ago - 1 dependent package - 35 downloads last month - 2 stars on GitHub - 1 maintainer
@phun-ky/typeof 2.1.4 💰
A set of JavaScript helper functions to check for types59 versions - Latest release: 22 days ago - 848 thousand downloads last month - 2 stars on GitHub - 1 maintainer
eleventy-plugin-typecheck-filters 0.0.2
Template filters to check if a value is a list, object, string or number.2 versions - Latest release: about 3 years ago - 35 downloads last month - 0 stars on GitHub - 1 maintainer
javascript-types 1.0.7
A fixed version of the native javascript typeof function.10 versions - Latest release: over 7 years ago - 1 dependent package - 1 dependent repositories - 35 downloads last month - 1 maintainer
Top 3.5% on npmjs.org
59 versions - Latest release: almost 3 years ago - 82 dependent packages - 605 dependent repositories - 977 thousand downloads last month - 12 stars on GitHub - 1 maintainer
@daybrush/utils 1.13.0 💰
utils for daybrush59 versions - Latest release: almost 3 years ago - 82 dependent packages - 605 dependent repositories - 977 thousand downloads last month - 12 stars on GitHub - 1 maintainer
php-trim-plus 0.0.2
php string trim function in javascript.2 versions - Latest release: over 7 years ago - 3 dependent packages - 1 dependent repositories - 20 downloads last month - 1 maintainer
typeis.js 1.0.18
The fast and reliable JS type-checking toolbox!18 versions - Latest release: almost 6 years ago - 1 dependent package - 23 downloads last month - 1 stars on GitHub - 1 maintainer
@pnmasharov/type-check 1.0.1
A small set of functions to check value against a specific type2 versions - Latest release: about 3 years ago - 1 downloads last month - 1 stars on GitHub - 1 maintainer
check-string-or-not 1.0.0
Package to check whether it is string or not ?1 version - Latest release: about 3 years ago - 1 downloads last month - 1 maintainer
wots 0.3.2
A very simple "typeof" detection9 versions - Latest release: almost 5 years ago - 1 dependent repositories - 15 downloads last month - 0 stars on GitHub - 1 maintainer
x-utils-es 2.4.0
helper tools for javascript validation92 versions - Latest release: over 4 years ago - 9 dependent repositories - 319 downloads last month - 0 stars on GitHub - 1 maintainer
typeof-ext 0.0.2
A node.js module to get, compare and check types2 versions - Latest release: almost 12 years ago - 1 dependent repositories - 8 downloads last month - 1 stars on GitHub - 1 maintainer
Top 2.3% on npmjs.org
135 versions - Latest release: about 2 years ago - 50 dependent packages - 15,842 dependent repositories - 1.05 million downloads last month - 49 stars on GitHub - 1 maintainer
typechecker 9.3.0 💰
Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)135 versions - Latest release: about 2 years ago - 50 dependent packages - 15,842 dependent repositories - 1.05 million downloads last month - 49 stars on GitHub - 1 maintainer
validation-check-workaja 1.3.9
check whether value is undefined or empty or null3 versions - Latest release: almost 6 years ago - 26 downloads last month - 0 stars on GitHub - 1 maintainer
locore 0.0.0
locore is a Standard library. the library with basic JavaScript methods to improve development ef...2 versions - Latest release: about 2 years ago - 35 downloads last month - 0 stars on GitHub - 1 maintainer
@silen/type 1.0.1 removed
Type check in TypeScript2 versions - Latest release: over 5 years ago - 1 dependent package - 77 downloads last month - 1 maintainer
Top 5.4% on npmjs.org
22 versions - Latest release: almost 2 years ago - 22 dependent packages - 14 dependent repositories - 13.3 thousand downloads last month - 9 stars on GitHub - 1 maintainer
ts-util-is 2.1.0 deprecated 💰
TypeScript typeof utility helper with no dependencies.22 versions - Latest release: almost 2 years ago - 22 dependent packages - 14 dependent repositories - 13.3 thousand downloads last month - 9 stars on GitHub - 1 maintainer
@utilify/types 2.0.0 deprecated
A utility library for type checks and type manipulation in JavaScript and TypeScript, providing f...4 versions - Latest release: 9 months ago - 39 downloads last month - 2 stars on GitHub - 1 maintainer
@petsel/es-type-detection 1.0.0 removed 💰
A utility library for consistent and extensible type detection in JavaScript.1 version - Latest release: 9 months ago - 0 stars on GitHub - 1 maintainer
@qdk/type 1.0.9 removed
数据类型分类两类，基本类型和引用类型。10 versions - Latest release: over 3 years ago - 4 dependent packages - 1 dependent repositories - 148 downloads last month - 1 stars on GitHub - 1 maintainer
utiljs-strings 0.29.0 deprecated
JavaScript utility methods for strings18 versions - Latest release: about 7 years ago - 2 dependent packages - 1 dependent repositories - 14 downloads last month - 4 stars on GitHub - 1 maintainer
what-is 0.1.2 deprecated
A very simple "typeof" detection5 versions - Latest release: over 8 years ago - 1 dependent repositories - 34 downloads last month - 0 stars on GitHub - 1 maintainer
validation-checking 1.3.7 deprecated
check whether value is undefined or empty or null21 versions - Latest release: about 6 years ago - 2 downloads last month - 1 stars on GitHub - 1 maintainer
@soei/picker 1.0.4 removed
picker([{id:10}, {id:20}], '*.id=>[]', true) => [ 10, 20 ], ...5 versions - Latest release: almost 2 years ago - 1 dependent package - 47 downloads last month - 3 stars on GitHub - 1 maintainer
@mickeymaruf/is-string 1.0.0 removed
Specify is strig1 version - Latest release: over 1 year ago - 1 maintainer
@qitt/is-string 0.1.11 deprecated
determine if it is a string(use zod)6 versions - Latest release: about 2 years ago - 4 downloads last month - 0 stars on GitHub - 1 maintainer
@ichiql/is 0.1.2 deprecated
Use Zod to determine if XXX3 versions - Latest release: about 2 years ago - 4 downloads last month - 0 stars on GitHub - 1 maintainer
chober 2.0.1 deprecated
Chober.js - is a collection of methods that are used by programmers every day. We decided to put ...24 versions - Latest release: about 6 years ago - 1 dependent package - 6 dependent repositories - 391 downloads last month - 10 stars on GitHub - 1 maintainer
@fizzog/stringbox 0.6.26 removed
String manipulation utilities28 versions - Latest release: over 7 years ago - 1 dependent package - 90 downloads last month
robb-clone 0.2.2 removed
Simple type checker in JavaScript.1 version - Latest release: about 10 years ago - 1 dependent repositories - 16 downloads last month - 0 stars on GitHub - 1 maintainer
1-tc 0.2.2 unpublished
A super-tiny (~280B minzipped) utility for robust and efficient `type checking` of JavaScript val...9 versions - Latest release: over 3 years ago - 471 downloads last month - 1 maintainer
oh-my-type 2.0.1 unpublished
Oh my type! Tiny and robust type checker.4 versions - Latest release: about 6 years ago
Related Keywords
isArray
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isNumber
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isObject
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isBoolean
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isFunction
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isNull
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isUndefined
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isRegExp
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isDate
26
type
23
isSymbol
21
typeof
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isEmpty
16
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15
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12
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11
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11
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string
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isElement
9
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8
utils
7
isBuffer
7
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7
isArguments
7
isThat
7
isPlainObject
7
isDefined
7
isBigInt
7
is-string
7
isNil
7
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6
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6
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5
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4
isPrimitive
4
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4
isBlob
4
nodejs
4
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4
kind
4
isRegexp
4
isEmptyString
4
is-number
4
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4
null
3
undefined
3
isNodeList
3
is-map
3
is-function
3
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3
is string
3
isSimplyType
3
browser
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is object
3
is number
3
is-boolean
3
assert
3
isClient
3
isNullOrUnDef
3
is-null
3
isGeneratorFunction
3
isObjectLike
3
snakeCase
3
isInt16Array
3
clone
3