Convert Object List to JSON String in JavaScript

var students = [
    {
        id: 'st01',
        name: 'Name 1',
        age: 20
    },
    {
        id: 'st02',
        name: 'Name 2',
        age: 21
    },
    {
        id: 'st03',
        name: 'Name 3',
        age: 22
    }
];
var str = JSON.stringify(students);
console.log(str);

Output

[{"id":"st01","name":"Name 1","age":20},{"id":"st02","name":"Name 2","age":21},{"id":"st03","name":"Name 3","age":22}]