============================

    var arr = [
        {
            id: 2,
            name: 'xx2'
        },
        {
            id: 3,
            name: 'xx3'
        },
        {
            id: 4,
            name: 'xx4'
        },
        {
            id: 1,
            name: 'xx1'
        }
    ];

    arr.sort(function (a, b) {
        return a.id - b.id;
    });
    console.log(arr);

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