Hi i have the following.
var g = new Array() ;
$.getJSON(google, function(data) {
var i = 0 ;
$.each(data.items, function() {
var obj = new res(i, this.title, this.snippet, this.formattedUrl, 0) ;
g.push(obj) ;
i=i+1 ;
});
});
I need to be able to access the array outside the async function.
Strictly answering the part about how to set up a global, one common way to do this is to create a namespace for your app, like
window.App = {}; // or just App = {};
and then to put global stuff in there
App.g = [];
And now you can access your namespace from anywhere.
Note you still need to be aware of when you might have outstanding requests modifying your global variables.
you may opt to use the .data() which is simpler than global variables.
The way it works is that you set elements like this :
$('body').data('g', mydata);
anywhere, and retrieve it like this :
$('body').data('g');
Of course it can be on any element, not just body.
gis in the same scope as thegetJSONcall, then your anonymous function is a closure and already has access tog. If it's not in the same scope, you need to post a more detailed description of your code structure.