Function: isString()

function isString(value): value is string;

Checks if a value is a string. 检查值是否为字符串。

Parameters

Parameter	Type	Description
value	unknown	The value to check / 要检查的值

Returns

value is string

True if the value is a string / 如果值是字符串则返回true

Example

isString('hello') // => true
isString('') // => true
isString(`template`) // => true
isString(123) // => false
isString(null) // => false
isString(undefined) // => false
isString([]) // => false

Since

1.0.0