arguments-1.js - mozsearch

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// for-of can iterate arguments objects.

load(libdir + "iteration.js");

// Arguments objects do not have a .@@iterator() method by default.

// Install one on Object.prototype.

Object.prototype[Symbol.iterator] = Array.prototype[Symbol.iterator];

var s;

function test() {

    for (var v of arguments)

        s += v;

s = '';

test();

assertEq(s, '');

s = '';

test('x', 'y');

assertEq(s, 'xy');