property.js - mozsearch

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/* Handle recompilation on undefined properties and array holes. */

var v = {};

if (typeof v == 'string')

  v.x = 0;

function prop(v)

  var z = v.x + 1;

  assertEq(z, NaN);

prop(v);

v = [];

v[0] = 0;

v[1] = 1;

v[3] = 3;

v[4] = 4;

function elem(x)

  var x = "";

  for (var i = 0; i < 5; i++)

    x += v[i];

  assertEq(x, "01undefined34");

elem(v);