Cleaning empty array elements

[SumYungGai]

So I have an array that when traced, lets say looks like

Carrot,Apple,Strawberry,,,Cantaloupe

I'm just wondering, what's the best way to tell if an element in an array is empty?

[Krilnon]

var a:Array = [1, null, undefined, {}.a, 3, 0/0, Infinity, -Infinity, 5];

for(var i:Number = 0; i < a.length; i++){
    if(a[i] == undefined){
        trace('a[' + i + '] (' + a[i] + ') is unstrictly equal to undefined');
    }
}

[Swooter]

And to remove the empty ones:

var a:Array = ["apple", null, "banana", "", "orange", "", undefined, "grape"];

for ( var i:Number = 0; i < a.length; i++ ) {
    if ( !a[i] ) a.splice(i, 1);
}

trace(a.join(", "));

[glosrfc]

I'd suggest a slight amendment, just to take care of those pesky consecutive occurences of empty elements, e.g. "apple", null, null, "banana", "", "", "", "orange", "", undefined, "grape":

a.splice(i, 1);
i--;

[senocular]

^ agreed. Don't splice and walk forward through arrays. You'll skip indices.