Javascript asynchronous

javascript-async.js

var source = ['foo', 'bar', 'baz'];
var result = [];

setTimeout(function () {
    for (var i = 0 ; i < source.length ; i++) {
        console.log('Stepping through : ' + source[i]);
        result.push(source[i]);
        console.log('Current result: ' + result);
    }
}, 1000); // Wait 1000 ms to finish operation

console.log('Result: ' + result);
console.log('Finished!!');

output.txt

Result:
Finished!!
Stepping through : foo
Current result: foo
Stepping through : bar
Current result: foo,bar
Stepping through : baz
Current result: foo,bar,baz