javascript random number with min/max range and incremental number set

random_number_increment

function random_number_increment( min, max, inc ) {
    let min = min || 0;
    let inc = inc || 1;

    if ( !max ) {
        return new Error( 'Need to define max' );
    }

    return Math.floor( Math.random() * ( max - min ) / inc ) * inc + min;
}

random_number_increment( 200, 2000, 25 ) // 200, 225, 250 ... 1975, 2000