​

    const basicAutocomplete = document.querySelector('#navboxSearch');

    const data = [

      {m: 'a',n: 'b'}

    ];

​

    const dataFilter = (value) => {

        return data.filter((item) => {

            return item.n.toLowerCase().indexOf(value.toLowerCase())>=0;

        });

    };

    const dataValue = (value) => {

        return value.n;

    };

​

    mdb.Autocomplete.getOrCreateInstance(basicAutocomplete, {

        filter: dataFilter,

        displayValue: dataValue

    });