d.isWeakSet()

d.isWeakSet( value )

• 返回: Boolean

判断值是WeakMap。

d.isWeakSet( value ) from @1.0

• value
  • 类型: Anything
  • 描述: 任意类型的参数

d.isWeakSet(new WeakSet()) // => true
d.isWeakSet([]) // => false