Simple Random Generator

function random( low, high ){
    low = low || 0.5;
    hight = high || 10;
    var median = (low + high) / 2;
    var seed = Math.random();
    var result = seed * median * 2;
    return ( result < low )? low : ( result > high )? high : result;
}

function iterate( func, iterations ){
    iterations = iterations || 1;
    console.log( "Iterations : ", iterations );
    if( typeof func === "function" ){
        for( var i = 0; i < iterations; i++ ){
            func();
        }
    }
}

for( var i = 0; i < 10; i++ ){
    var iterant_one = iterant( () => random( 100, 500 ) );
    iterate( function(){ console.log( iterant_one.next() ) }, 100 );
    console.log( "Count", iterant_one.iterations());
    console.log("Total:", iterant_one.total());
    console.log("Average:",iterant_one.average());
}

function iterant( generator ){
    generator = generator || function(){return 1;};
    var count = 0;
    var sum = 0;
    return {
        next : function(){
            var current = generator();
            sum += current;
            count++;
            return current;
        },
        iterations : function(){ return count },
        total : function(){ return sum; },
        average : function(){ return sum / count; }
    };
}