Espruino/tests/test_arrays_treated_as_references_in_functions.js

// references with functions

var a = 42;
var b = [];
b[0] = 43;

function foo(myarray) {
  myarray[0]++;
}

function bar(myvalue) {
  myvalue++;
}

foo(b);
bar(a);

result = a==42 && b[0]==44;