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<p>This tests verifies the scope of a function's name.
</p>
<pre id="console"></pre>
<script>
function log(s)
{
document.getElementById("console").appendChild(document.createTextNode(s + "\n"));
}
function shouldBe(a, aDescription, b)
{
if (a == b) {
log("PASS: " + aDescription + " should be " + b + " and is.");
return;
}
log("FAIL: " + aDescription + " should be " + b + " but instead is " + a + ".");
}
if (window.testRunner) {
testRunner.dumpAsText();
}
// Function declarations do not put the function's name in scope.
function f()
{
shouldBe(
f.name == 'f',
"f.name == 'f'",
true
);
f = 1;
shouldBe(
f == 1,
"f == 1",
true
);
};
f();
// Function expressions do put the function's name in scope, as a read-only property.
var g = function g()
{
shouldBe(
g.name == 'g',
"g.name == 'g'",
true
);
g = 1;
shouldBe(
g == arguments.callee,
"g == arguments.callee",
true
);
};
g();
</script>
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