angular-rxjs:用StackBlitz创建:high_voltage:

angular-rxjs //创新运算符/ ** 运算符：of，来自 from-可以在输入为数组或可迭代或承诺时使用 of-发出每个对象，as of操作员将把稀疏度打印为有说服力的* / testArray = ["Value1", "value2", "value3"]; let fromObservable = from(this.testArray); let ofObservable = of(this.testArray); ofObservable.subscribe(res => console.log(res)); // return ["Value1", "value2", "value3"] fromObservable.subscribe(res => console.log(res)); // value1 value2 value3 / ** 管道-运算符