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API > @angular/core > @angular/core/testing

async

已弃用: use waitForAsync(), (expected removal in v12)

async(fn: Function): (done: any) => any
      
      async(fn: Function): (done: any) => any

Deprecated use waitForAsync(), (expected removal in v12)

参数
fn Function
返回值

(done: any) => any

参见