servo/tests/content/test_parentNode_querySelectorAll.html

57 lines
1.8 KiB
HTML

<!DOCTYPE html>
<html>
<head>
<script src="harness.js"></script>
</head>
<body>
<div id="parent">
<div id="foo" class="test"></div>
<div id="bar" class="test"></div>
<div id="baz" class="test"></div>
</div>
<script>
let foo = document.getElementById("foo");
let bar = document.getElementById("bar");
let baz = document.getElementById("baz");
{ // document.querySelector
let nodelist = document.querySelectorAll(".test");
is_a(nodelist, NodeList);
is(nodelist.length, 3);
is(nodelist.item(0), foo);
is(nodelist.item(1), bar);
is(nodelist.item(2), baz);
nodelist = document.querySelectorAll("div > .test");
is(nodelist.length, 3);
}
{ // element.querySelector
let div = document.getElementById("parent");
let nodelist = div.querySelectorAll(".test");
is(nodelist.length, 3);
nodelist = div.querySelectorAll("div:nth-of-type(1)");
is(nodelist.item(0), div);
}
{ // docfrag.querySelector
let docfrag = document.createDocumentFragment();
let div = document.createElement("div");
div.id = "foo";
div.className = "myClass";
let child = document.createElement("div");
div.appendChild(child);
docfrag.appendChild(div);
let nodelist = docfrag.querySelectorAll("#foo");
is(nodelist.item(0), div);
nodelist = docfrag.querySelectorAll("#foo:nth-child(1)");
is(nodelist.item(0), div);
}
</script>
</body>
</html>