Function: isSymbol()

function isSymbol(value): value is symbol;

Checks whether a value is a symbol. 检查值是否为 symbol。

Parameters

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

Returns

value is symbol

true when the value is a symbol / 值是 symbol 时返回 true

Example

isSymbol(Symbol('s'))
// => true

Since

1.2.0