RxJS：转换运算符window

它接受一个可观察到的参数windowboundaries，并在给定windowboundaries发出时返回一个嵌套的observable。

语法

window(windowBoundaries: Observable): Observable

参量

windowBoundaries – 参数windowboundaries是可观察的。

返回值

它返回一个可观察的窗口。

例

import { fromEvent, interval } from 'rxjs';
import { window } from 'rxjs/operators';

let btncick = fromEvent(document, 'click');
let sec = interval(5000);
let result = btncick.pipe(window(interval(5000)));
result.subscribe(x => console.log(x));