Benchmarks and stuff

var COUNT = 1e7;

function test1(){
    var a = {};
    for (var i = 0; i < COUNT; i++) {
       a[i] = 0;
    }
}

var code = 'return {\n';
for (var i = 0; i < COUNT; i++) {
   code += '"' + i + '":' + '0,\n';
}

code += '};\n';

var test2 = new Function(code);


function benchmark(func) {
    var i = 0;
    while (i++ < 10) {
      var start = Date.now();
      func();
      var duration = Date.now() - start;
      console.log(duration);
    }
}


console.log("First attempt");
benchmark(test1);

console.log("Second attempt");
benchmark(test2);