rxjs6 控制虚线长度

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
  <script src="./rxjs.umd.js"></script>
  <style>
    .box {
    }
  </style>
</head>
<body>

<input type="checkbox" id="check">
<div class="box" id="box">

</div>
<script>
  const {range, interval, fromEvent} = rxjs;
  const {map,tap, mergeMap, mapTo, filter, throttleTime, debounceTime, repeat, switchMap, takeUntil} = rxjs.operators;

  const box = document.getElementById('box')
  const check = document.getElementById('check')

  const change$ = fromEvent(check, 'change').pipe(
    // map(x => x.target.checked),
    // filter(x => x === true)
  )
  const source$ = interval(100).pipe(mapTo('.'))
  change$.pipe(
    filter(x => x.target.checked),
    tap(e => console.log('tap', e)),
    mergeMap(() => source$.pipe(
      takeUntil(change$)
    ))
  ).subscribe(x => box.innerText += x)
   
</script>
</body>
</html>

来源：oschina

链接：https://my.oschina.net/ahaoboy/blog/3164840

标签

const

pipe

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