diff --git a/test/ecmascript/assert/element.previousElementSibling.html b/test/ecmascript/assert/element.previousElementSibling.html
new file mode 100644
index 00000000..0d761a86
--- /dev/null
+++ b/test/ecmascript/assert/element.previousElementSibling.html
@@ -0,0 +1,31 @@
+<!DOCTYPE html>
+<html>
+<body>
+
+<p>Example list:</p>
+
+<ul>
+  <li id="item1">Coffee (first li)</li>
+  <li id="item2">Tea (second li)</li>
+</ul>
+
+<p>Click the button to get the HTML content of the previous sibling of the second list item.</p>
+
+<button onclick="myFunction()">Try it</button>
+
+<p><strong>Note:</strong> The previousElementSibling property is not supported in IE8 and earlier versions.</p>
+
+<p id="demo"></p>
+
+<script>
+function myFunction() {
+  var x = document.getElementById("item2").previousElementSibling.innerHTML;
+  console.assert(x === 'Coffee (first li)', 'li');
+}
+console.error("element.previousElementSibling.html");
+myFunction();
+console.exit(0);
+</script>
+
+</body>
+</html>
