javascript-study/index.html at master · wenghaoping/javascript-study · GitHub

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<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <!-- <link href="https://fonts.font.im/css?family=Do+Hyeon" rel="stylesheet"> -->
    <style></style>
  </head>
  <script>
 window.onload = () => {
     // object
let obj = {
  a: {
    b: {
      c: {
        d: 1,
      },
    },
  },
  e: 2,
  f: {
    g: 3,
  },
};
// 输出
// result2 = [[a, e, f], [b, g], [c], [d]];
function getBfs(data) {
  let depth = -1;
  let result = [];
  function bfs(obj) {
    depth++;
    if (typeof obj === "object" && Object.keys(obj).length > 0) {
      Object.keys(obj).forEach((key) => {
        result[depth] ? result[depth].push(key) : (result[depth] = [key]);
        bfs(obj[key]);
      });
    }
    depth--;
  }
  bfs(data);
  return result;
}

console.log(getBfs(obj));
 }

  </script>
  <body>
    我是初始值
  </body>
</html>