const data = [  {    id: '01',    text: '湖北省',    children: [      {        id: '01001',        text: '武汉市',        children: [            {                id: '01001001',                text: '武昌区',                children: null            },            {                id: '01001002',                text: '洪山区',                children: null            }        ]    }  ]},{  id: '02',  text: '广东省',  children: [      {        id: '02001',        text: '深圳市',        children: [          {            id: '02001001',            text: '罗湖区',            children: null          },          {            id: '02001002',            text: '福田区',            children: null          }        ]      }    ]  }];// 深度优先递归遍历function deepRecursionTraverse(data){  if(!Array.isArray(data)) return;  data.forEach((item)=>{    console.log(item.text);    deepRecursionTraverse(item.children);  });}// deepRecursionTraverse(data);// 深度优先非递归遍历function deepNoRecursionTraverse(data){  let stark = [...data];  while(stark.length){    const temp = stark.shift();    console.log(temp.text);    if(temp.children &&temp.children.length){      stark = [...temp.children, ...stark];    }  }}// deepNoRecursionTraverse(data);// 广度优先 非递归遍历function wideNoRecursionTraverse(data){  let stark = [...data];  while(stark.length){    const temp = stark.shift();    console.log(temp.text);    if(temp.children &&temp.children.length){      stark = [ ...stark, ...temp.children,];    }  }}// wideNoRecursionTraverse(data);