Automatic Semicolon Insertion - Scala vs JavaScript

foobar.js

var foo = function() { console.log("foo"); };
var bar = function() { console.log("bar"); };

(foo())
(bar())

/*
Ouput:

(bar())
^
TypeError: undefined is not a function
    at Object.<anonymous> (/private/tmp/foo.js:5:1)
    at Module._compile (module.js:456:26)
    at Object.Module._extensions..js (module.js:474:10)
    at Module.load (module.js:356:32)
    at Function.Module._load (module.js:312:12)
    at Function.Module.runMain (module.js:497:10)
    at startup (node.js:119:16)
    at node.js:901:3
*/

foobar.scala

def foo() { println("foo") }
def bar() { println("bar") }

(foo())
(bar())

/*
Output:

foobar
*/