ES2015 生成器 demo

解决:

需要运行在 chrome 及其他支持ES2015的浏览器

<!DOCTYPE html>
<html>
  <head>
    <script>
      function* fib() {
        let f1 = 1,
          f2 = 2;
        yield f1;
        yield f2;
        while (true) {
          let ret = f1 + f2;
          f1 = f2;
          f2 = ret;
          yield ret;
        }
      }
      let f = fib();
      function increase() {
        let v = f.next();
        console.log(v);
        let list = document.getElementById("list");
        list.append(`<li>${v.value}<li>`);
      }
      function onLoad() {
        setInterval(increase, 1000);
      }
    </script>
  </head>
  <body onload="onLoad()">
    <ul id="list"></ul>
  </body>
</html>

<!DOCTYPE html>

<html>

<head>

function* fib() {

let f1 = 1,

f2 = 2;

yield f1;

yield f2;

while (true) {

let ret = f1 + f2;

f1 = f2;

f2 = ret;

yield ret;

}

let f = fib();

function increase() {

let v = f.next();

console.log(v);

let list = document.getElementById("list");

list.append(`<li>${v.value}<li>`);

}

function onLoad() {

setInterval(increase, 1000);

}

</script>

</head>

</body>

</html>

参考:

IT问题

程序员的疑难杂症录

ES2015 生成器 demo

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