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koiostools
koiostools
isEmpty
Function isEmpty
is
Empty
(
str
)
:
boolean
字符串是否为空，空的定义如下:
1、为null
2、为""
Parameters
str
:
undefined
|
null
|
string
被检测的字符串
Returns
boolean
boolean 是否为空
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array.ts
arrayEqual
arrayUnique
string.ts
capitalize
compressRepeatedStr
countMatches
defaultIfBlank
defaultIfEmpty
defaultString
deleteWhitespace
endWith
equals
equalsIgnoreCase
escapeMetacharacter
format
isAllLowerCase
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isAlpha
isAlphaSpace
isAlphanumeric
isAlphanumericSpace
isBlank
isChinese
isDecimal
isEmpty
isInteger
isNegativeInteger
isNotBlank
isNotEmpty
isNumeric
isNumericSpace
isPositiveDecimal
isPositiveInteger
isSpecialCharacterAlphanumeric
isWhitespace
leftPad
nullToStr
removeChinese
removeSpecialCharacter
repeat
reverse
rightPad
split
startWith
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trim
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function.ts
compareVersion
debounce
throttle
img.ts
convertImgStreamToBase64
downloadImgStream
deepClone.ts
deepClone
formatFloat.ts
formatFloat
formatMoney.ts
formatMoney
device.ts
getBrowserInfo
cookie.ts
getCookie
removeCookie
setCookie
verify.ts
isAppleDevice
isArray
isBoolean
isColor
isDate
isEmail
isFunction
isIdCard
isMobile
isNumber
isObject
isPhoneNum
isString
isUndef
isUrl
object.ts
isEmptyObject
date.ts
isLeapYear
isSameDay
remainTime
file.ts
isPdf
urlQuery.ts
parseQueryString
stringfyQueryString
random.ts
randomColor
randomName
randomNum
randomPhone
sum.ts
sum
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字符串是否为空，空的定义如下:
1、为null
2、为""