example of looping recursively through array of objects

looping_recursively.js

const list  = [
  	{
		n: 1,
		children: [{
			n: 11,
			children: []
		}, {
			n: 12,
			children: []
		}]
	}, 
  	{
		n: 2,
		children: [{
			n: 21,
			children: [{
				n: 211,
				children: []
			},
			{
				n: 212,
				children: [{
					n: 2111,
					children: []
				}]
			}]
        }]
	},
	{
		n: 3,
		children: []
	}
];

function loop(list) {
	list.forEach(item => {
  		console.log(item.n);
  		if (item.children.length > 0) {
    		loop(item.children);
		}
  	})
}

loop(list);