js递归-适用于获取多级菜单/导航等

var data = [
            {
                name: "所有物品",
                children: [
                    {
                        name: "水果",
                        children: [{ name: "苹果", children: [{ name: '青苹果' }, { name: '红苹果' }] }]
                    },
                    {
                        name: '主食',
                        children: [
                            { name: "米饭", children: [{ name: '北方米饭' }, { name: '南方米饭' }] }
                        ]
                    },
                    {
                        name: '生活用品',
                        children: [
                            { name: "电脑类", children: [{ name: '联想电脑' }, { name: '苹果电脑' }] },
                            { name: "工具类", children: [{ name: "锄头" }, { name: "锤子" }] },
                            { name: "生活用品", children: [{ name: "洗发水" }, { name: "沐浴露" }] }
                        ]
                    }
                ]
            }
        ]
        let nameItem = [];
        function getName(vals) {
            vals.forEach((item, index) => {
                if (item.children) {
                    getName(item.children)
                } else {
                    console.log(item.name)
                    nameItem.push(item.name)
                    console.log("这一层没有东西")
                }
            })
            return nameItem;
        }
        let items = getName(data);
        console.log(items);//["青苹果", "红苹果", "北方米饭", "南方米饭", "联想电脑", "苹果电脑", "锄头", "锤子", "洗发水", "沐浴露"]