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129 packages found
Collection of methods for check
- isArray
- isBoolean
- isDate
- isFunction
- isNull
- isNumber
- isObject
- isString
- isUndefined
- isElement
- isEmpty
- isEmail
- isNaN
- isRegExp
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Test if a value is an array-like object containing only integers.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- typed
- array
- typed array
- is
- istypedarray
- istyped
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Test if a value is an array-like object containing only positive integers.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- typed
- array
- typed array
- is
- istypedarray
- istyped
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Test whether a string contains only numeric digits.
A simple utility to Check the value is number or can convert to a number, for example string ' 123 ' can be converted to 123.
Test if a string is a well-formed string.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- number
- numeric
- negative
- is
- isnumber
- isnumeric
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This library provides next util: isBoolean, isFunction, isNumber, isNumbers, isObject and isString, function can be object, number can not be NaN.
Test whether a string contains only alphanumeric characters.
@mozeyinedu/check is a package that contains functions that check some conditions just to preserve time for other stuff
Test if a value is a number having a nonpositive value.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- number
- numeric
- nonpositive
- is
- isnumber
- isnumeric
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Test if a value is a number having a negative value.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- number
- numeric
- negative
- is
- isnumber
- isnumeric
- View more
Test if a value is an array-like object containing only positive numbers.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- typed
- array
- typed array
- is
- istypedarray
- istyped
- View more
Common tools (hereinafter referred to as **ct**) - a common JavaScript data structures and associated processing procedures package ([package repository](https://github.com/VyacheslavMishin/ct/tree/master)).
- tools
- common tools
- standard tools
- iterable converter
- graph
- tree
- algorithms
- binary search
- duplicates search
- standard regexp
- isNumber
- number validators
- exponential format
- exponential
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A small footprint is numeric value function for Node.js
Test if a value is a number having a nonpositive finite value.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- number
- numeric
- nonpositive
- is
- isnumber
- isnumeric
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Test if a value is equal to positive zero.
Test if a value is equal to negative zero.
Test whether a string contains only numeric digits.
Test whether a string contains only alphanumeric characters.
Test if a value is a number having a finite positive value.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- number
- numeric
- positive
- is
- isnumber
- isnumeric
- View more