My last post quickly compared the performance
of creating javsacript objects via
new object() and
So for curiousity’s sake let’s do the same for arrays.
We’ll compare these two methods for instantiating arrays:
1 2 3 4 5
To no suprise the literal syntax is almost twice as fast.
Unless you need to set the length when creating the array we should favour
the the literal syntax of
var a =  instead of the verbose
var a = new Array()
syntax for performance and readability.