super-tools-lib - v1.74.0 / Modules / is

Module: is ​

Table of contents ​

Functions ​

• isAndroidMobileDevice
• isAppleMobileDevice
• isArray
• isBase64
• isBasicType
• isConsole
• isDarkMode
• isDate
• isDescendant
• isEmptyArray
• isEmptyObject
• isError
• isEven
• isFunction
• isHexColor
• isImg
• isMap
• isMobile
• isNaN
• isNull
• isNumber
• isObject
• isObjectAbsentKeys
• isObjectExistsKey
• isObjectHasKeysIsValue
• isObjectIncludeSpecifiedKey
• isObjectKeyEqual
• isOdd
• isPointInPolygon
• isPromise
• isRegExp
• isSet
• isString
• isSupportWebP
• isSymbol
• isUndefined
• isUrl
• isValue
• isWeiXin
• returnType

Functions ​

isAndroidMobileDevice ​

▸ isAndroidMobileDevice(): boolean

判断是否安卓移动设备访问

Since

1.0.0

Example

import { isAndroidMobileDevice } from 'super-tools-lib'

isAndroidMobileDevice() // true | false

Returns ​

boolean

返回true | false

isAppleMobileDevice ​

▸ isAppleMobileDevice(): boolean

判断是否苹果移动设备访问

Since

1.0.0

Example

import { isAppleMobileDevice } from 'super-tools-lib'

isAppleMobileDevice() // true | false

Returns ​

boolean

返回true | false

isArray ​

▸ isArray(arr): boolean

数组类型验证

Since

1.0.0

Example

import { isArray } from 'super-tools-lib'

isArray(val) // true | false

Parameters ​

Returns ​

boolean

返回true | false

isBase64 ​

▸ isBase64(base64): boolean

base64类型验证

Since

1.0.0

Example

import { isBase64 } from 'super-tools-lib'

isBase64(val) // true | false

Parameters ​

Returns ​

boolean

返回true | false

isBasicType ​

▸ isBasicType(val): boolean

判断是否是基本数据类型

Since

1.0.0

Example

import { isBasicType } from 'super-tools-lib'

isBasicType(val) // true | false

Parameters ​

Returns ​

boolean

返回true | false

isConsole ​

▸ isConsole(): boolean

检查浏览器是否打开了控制台

Since

1.0.0

Example

import { isConsole } from 'super-tools-lib'

isConsole() // true | false

Returns ​

boolean

返回是否打开了控制台

isDarkMode ​

▸ isDarkMode(): boolean

检测暗模式

Since

1.0.0

Example

import { isDarkMode } from 'super-tools-lib'

isDarkMode() // true | false

Returns ​

boolean

isDate ​

▸ isDate(o): boolean

是否时间

Since

1.0.0

Example

import { isDate } from 'super-tools-lib'

isDate(val) // true | false

Parameters ​

Returns ​

boolean

返回true | false

isDescendant ​

▸ isDescendant(child, parent): boolean

检查某个元素是否是另一个元素的后代

Since

1.62.0

Parameters ​

Returns ​

boolean

isEmptyArray ​

▸ isEmptyArray<T>(arr): boolean

检查数组是否为空

Since

1.0.0

Example

import { isEmptyArray } from 'super-tools-lib'

isEmptyArray(val) // true | false

Type parameters ​

Parameters ​

Returns ​

boolean

返回true | false

isEmptyObject ​

▸ isEmptyObject(obj): boolean

判断对象是否为空

Since

1.0.0

Example

import { isEmptyObject } from 'super-tools-lib'

isEmptyObject(val) // true | false

Parameters ​

Returns ​

boolean

返回true | false

isError ​

▸ isError(o): boolean

是否错误对象

Since

1.0.0

Example

import { isError } from 'super-tools-lib'

isError(val) // true | false

Parameters ​

Returns ​

boolean

返回true | false

isEven ​

▸ isEven(v): boolean

检测数字是否为偶数

Since

1.62.0

Example

import { isEven } from 'super-tools-lib'

isEven(val) // true | false

Parameters ​

Returns ​

boolean

返回true | false

isFunction ​

▸ isFunction(fn): boolean

函数类型验证

Since

1.0.0

Example

import { isFunction } from 'super-tools-lib'

isFunction(val) // true | false

Parameters ​

Returns ​

boolean

返回true | false

isHexColor ​

▸ isHexColor(color): boolean

检查字符串是否为十六进制颜色

Since

1.0.0

Example

import { isHexColor } from 'super-tools-lib'

isHexColor(val) // true | false

Parameters ​

Returns ​

boolean

返回true | false

isImg ​

▸ isImg(path): boolean

判断是否是图片链接

Since

1.0.0

Example

import { isImg } from 'super-tools-lib'

isImg(val) // true | false

Parameters ​

Returns ​

boolean

返回true | false

isMap ​

▸ isMap(v): boolean

检查是否是Map对象

Since

1.0.0

Example

import { isMap } from 'super-tools-lib'

isMap(val) // true | false

Parameters ​

Returns ​

boolean

返回true | false

isMobile ​

▸ isMobile(): boolean

判断是否为移动端

Since

1.0.0

Example

import { isMobile } from 'super-tools-lib'

isMobile() // true | false

Returns ​

boolean

返回true | false

isNaN ​

▸ isNaN(value): boolean

检查 value 是否为NaN

Since

1.72.0

Example

import { isNaN } from 'super-tools-lib'

isNaN(NaN) // true
isNaN(1) // false

Parameters ​

Returns ​

boolean

true | false

isNull ​

▸ isNull(o): boolean

检测是否为null

Since

1.0.0

Example

import { isNull } from 'super-tools-lib'

isNull(val) // true | false

Parameters ​

Returns ​

boolean

返回true | false

isNumber ​

▸ isNumber(num): num is number

数字类型验证

Since

1.0.0

Example

import { isNumber } from 'super-tools-lib'

isNumber(val) // true | false

Parameters ​

Returns ​

num is number

返回true | false

isObject ​

▸ isObject(obj): boolean

对象类型验证

Since

1.0.0

Example

import { isObject } from 'super-tools-lib'

isObject(val) // true | false

Parameters ​

Returns ​

boolean

返回true | false

isObjectAbsentKeys ​

▸ isObjectAbsentKeys<T>(obj, keys?): boolean

检查对象是否缺少指定的键

Since

1.72.0

Example

import { isObjectAbsentKeys } from 'super-tools-lib'

isObjectAbsentKeys({ a: 1, b: 2 }, ['a']) // false
isObjectAbsentKeys({ a: 1, b: 2 }, ['c']) // true

Type parameters ​

Parameters ​

Returns ​

boolean

true | false

isObjectExistsKey ​

▸ isObjectExistsKey(obj, key): boolean

判断一个对象内是否包含指定的键

Since

1.0.0

Example

import { isObjectExistsKey } from 'super-tools-lib'

isObjectExistsKey({a:1},'1') // true

Parameters ​

Returns ​

boolean

返回true | false

isObjectHasKeysIsValue ​

▸ isObjectHasKeysIsValue<T>(obj, keys?): boolean

检查对象是否有指定的key，并且key对应的value不为null / undefined / NaN / Infinity / -Infinity / ''

Since

1.72.0

Type parameters ​

Parameters ​

Returns ​

boolean

isObjectIncludeSpecifiedKey ​

▸ isObjectIncludeSpecifiedKey(a, b): boolean

判断a对象是否包含b对象的键

Since

1.0.0

Example

import { isObjectIncludeSpecifiedKey } from 'super-tools-lib'

isObjectIncludeSpecifiedKey({a: 1, v: 2}, {v: 1}) // true

Parameters ​

Returns ​

boolean

返回true | false

isObjectKeyEqual ​

▸ isObjectKeyEqual(a, b): boolean

判断两个对象是否拥有一样的键

Since

1.0.0

Example

import { isObjectKeyEqual } from 'super-tools-lib'

isObjectKeyEqual({a:1}, {a:2}) // true

Parameters ​

Returns ​

boolean

返回true | false

isOdd ​

▸ isOdd(v): boolean

检测数字是否为奇数

Since

1.62.0

Example

import { isOdd } from 'super-tools-lib'

isOdd(val) // true | false

Parameters ​

Returns ​

boolean

返回true | false

isPointInPolygon ​

▸ isPointInPolygon(point, polygon): boolean

检查点是否在多边形内

Since

1.72.0

Example

import { isPointInPolygon } from 'super-tools-lib'

isPointInPolygon({ x: 1, y: 1 }, [{ x: 0, y: 0 }, { x: 2, y: 0 }, { x: 2, y: 2 }, { x: 0, y: 2 }]) // true

Parameters ​

Returns ​

boolean

true | false

isPromise ​

▸ isPromise(o): boolean

是否Promise对象

Since

1.0.0

Example

import { isPromise } from 'super-tools-lib'

isPromise(val) // true | false

Parameters ​

Returns ​

boolean

返回true | false

isRegExp ​

▸ isRegExp(o): boolean

是否正则

Since

1.0.0

Example

import { isRegExp } from 'super-tools-lib'

isRegExp(val) // true | false

Parameters ​

Returns ​

boolean

返回true | false

isSet ​

▸ isSet(v): boolean

检查是否是Set对象

Since

1.0.0

Example

import { isSet } from 'super-tools-lib'

isSet(val) // true | false

Parameters ​

Returns ​

boolean

返回true | false

isString ​

▸ isString(str): boolean

字符串类型验证

Since

1.0.0

Example

import { isString } from 'super-tools-lib'

isString(val) // true | false

Parameters ​

Returns ​

boolean

返回true | false

isSupportWebP ​

▸ isSupportWebP(): boolean

判断浏览器是否支持webP格式图片

Since

1.0.0

Example

import { isSupportWebP } from 'super-tools-lib'

isSupportWebP(val) // true | false

Returns ​

boolean

返回true | false

isSymbol ​

▸ isSymbol(o): boolean

是否Symbol函数

Since

1.0.0

Example

import { isSymbol } from 'super-tools-lib'

isSymbol(val) // true | false

Parameters ​

Returns ​

boolean

返回true | false

isUndefined ​

▸ isUndefined(o): boolean

检测是否undefined

Since

1.0.0

Example

import { isUndefined } from 'super-tools-lib'

isUndefined(val) // true | false

Parameters ​

Returns ​

boolean

返回true | false

isUrl ​

▸ isUrl(path): boolean

判断是否为url链接

Since

1.0.0

Example

import { isUrl } from 'super-tools-lib'

isUrl(val) // true | false

Parameters ​

Returns ​

boolean

返回true | false

isValue ​

▸ isValue(value): boolean

检查 value 不是 null / undefined / NaN / Infinity / -Infinity / ''

Since

1.72.0

Example

import { isValue } from 'super-tools-lib'

isValue('') // true | false

Parameters ​

Returns ​

boolean

true | false

isWeiXin ​

▸ isWeiXin(): boolean

判断是否在微信中打开

Since

1.0.0

Example

import { isWeiXin } from 'super-tools-lib'

isWeiXin() // true | false

Returns ​

boolean

返回true | false

returnType ​

▸ returnType(o): unknown

返回类型

Since

1.0.0

Example

import { returnType } from 'super-tools-lib'

returnType(val) // Boolean | String ...

Parameters ​

Returns ​

unknown

返回值的类型