dynamic array names javascript

Question

I have a few arrays with like names.

ArrayTop[]  
ArrayLeft[]   
ArrayRight[]  
ArrayWidth[]

I am trying to set the name dynamically in a f

Answer 1

You missed, that Array has to be a String => "Array". Then you can do

var postfix = "Top"; 
var a = eval("new Array"+postfix);
a.push(100);