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-rw-r--r--dom/base/test/intersectionobserver_iframe.html23
1 files changed, 23 insertions, 0 deletions
diff --git a/dom/base/test/intersectionobserver_iframe.html b/dom/base/test/intersectionobserver_iframe.html
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index 000000000..8a4098e74
--- /dev/null
+++ b/dom/base/test/intersectionobserver_iframe.html
@@ -0,0 +1,23 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+<style>
+#target5 {
+ position: absolute;
+ top: 0px;
+ left: 0px;
+ width: 20px;
+ height: 20px;
+ background: #f00;
+}
+</style>
+<body>
+<div id="target5"></div>
+<script>
+ var io = new IntersectionObserver(function (records) {
+ window.parent.postMessage(records[0].rootBounds == null, 'http://mochi.test:8888');
+ }, {});
+ io.observe(document.getElementById("target5"));
+</script>
+</body>
+</html>