Why use {} instead of new Object() and use [] instead of new Array() and true/false instead of new Boolean()?

Question

Many people say that you should avoid new Object, new Array()and instead use {}. [], and true/false.

What are the benefits of using the literal constructs to get a

Answer 1

For example, if you want to do this:

{name:"bla",address:"address"}

the new Object() way would be:

var o = new Object();
o.name="bla";
o.address="address";

The first one is much shorter. And I think that it would be faster in many browsers, too (jsperf testcase).