<script type="text/javascript">
var arr = [
{"id":1,"parent_id":0,"name":"Foods"},
{"id":2,"parent_id":1,"name":"Fruits"},
{"id":3,"parent_id":2,"name":"apple"},
{"id":4,"parent_id":2,"name":"orange"},
{"id":5,"parent_id":2,"name":"tomato"},
{"id":6,"parent_id":1,"name":"Vegetables"},
{"id":7,"parent_id":6,"name":"carrot"},
{"id":8,"parent_id":6,"name":"cabbage"},
{"id":9,"parent_id":6,"name":"potato"},
{"id":10,"parent_id":6,"name":"lettuce"},
{"id":11,"parent_id":0,"name":"Cars"}
];
function convert(arr, id){
var res = [];
for (var i = 0; i < arr.length; i++) {
if (arr[i].parent_id == id) {
res.push(arr[i]);
var func = eval(arguments.callee.name);
arr[i].child = func(arr, arr[i].id);
}
}
return res;
}
console.log(convert(arr, 0));
</script>
Javascript 数组转无限级分类(递归)
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