<!doctype html> | |
<meta charset=utf-8> | |
<title>Make sure browsers throw when getting .length on some random object whose proto is an HTMLCollection</title> | |
<script src=/resources/testharness.js></script> | |
<script src=/resources/testharnessreport.js></script> | |
<script> | |
test(function() { | |
var obj = Object.create(document.getElementsByTagName("script")); | |
assert_throws(new TypeError(), function() { | |
obj.length; | |
}); | |
}, "HTMLcollection as a prototype should not allow getting .length on the base object") | |
</script> |