Dinesh- Flex/AIR Blog

sorting array of strings:
var city:Array = new Array(“chennai”,”mumbai”,”delhi”,”kolkata”,”bangaluru”);
trace(city)//chennai,mumbai,delhi,kolkata,bangaluru
city.sort();
trace(city)//bangaluru,chennai,delhi,kolkata,mumbai

sorting array of objects:
var file:Array = new Array(
{filename: “s1″},
{filename: “h6″},
{filename: “z4″},
{filename: “a2″},
{filename: “u7″});
for(var i:int=0;i<file.length;i++){
trace(file[i].filename); //s1,h6,z4,a2,u7
}

file.sortOn(‘filename’);

for(var j:int=0;j<file.length;j++){
trace(file[j].filename);//a2,h6,s1,u7,z4
}

For more stuff:
http://livedocs.adobe.com/flex/2/langref/Array.html