Object member access
Some access method for object member has large overhead.
function benchmark(Benchmark) {
var obj = {};
return new Benchmark.Suite()
.add('obj.p', function () {
obj.p;
})
.add('obj["p"]', function () {
obj['p'];
})
.add('obj.hasOwnProperty("p")', function () {
obj.hasOwnProperty('p');
})
.add('"p" in obj', function () {
'p' in obj;
});
}