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function odd ( n ) {
return n !== 0 && even( n - 1 );
}
var counter = 0;
// This should be in the output
var foo = odd( 12 );
function even ( n ) {
8 years ago
alert( counter++ );
return n === 0 || odd( n - 1 );
}
console.log( even( 5 ) );
console.log( counter );