問題描述：現有學校全體人員json，學生依班級存放，問：如何找出某號同學？

json表：

[{
	"class":"7",
	"students":
		[{"studentid":"1",
		"studentname":"simon"},
		{"studentid":"2",
		"studentname":"lily"}]
},
{
	"class":"8",
	"students":
		[{"studentid":"3",
		"studentname":"jason"},
		{"studentid":"4",
		"studentname":"bob"}]
}
];

因網絡搜尋未果，現自行腦補兩次遍歷寫法（閉門造車，諸君見笑），後如另有他法，將完善此處。

function findstudent(id,name,arr) {   
	console.log('before delete:',arr); 	
	console.log('------------------');    
	arr.forEach(function (v,i) {        
		arr[i].students.forEach(function (v,m) {  
			console.log('v:',v);		
			if (v.studentid==id && v.studentname==name) {
				console.log('Found this sutdent yet!');
				arr[i].students.splice(m,1);
				//v.splice(m,1); 
				return;
			}
		});
	});    
	console.log('after delete password:',arr);
	return arr;
}