diff --git a/whalesong/repl-prototype/htdocs/tests-base.js b/whalesong/repl-prototype/htdocs/tests-base.js
index 30fe3e2..f82510e 100644
--- a/whalesong/repl-prototype/htdocs/tests-base.js
+++ b/whalesong/repl-prototype/htdocs/tests-base.js
@@ -4262,7 +4262,7 @@ jQuery(document).ready(function() {
     window.plt.tests = {};
     window.plt.tests.initTests = initTests;
     window.plt.tests.resetTests = function() {
-        $("#failure-index").clear();
+        $("#failure-index").empty();
         failureCount = 0;
         $("#failure-index").css("display", "none");
         
diff --git a/whalesong/repl-prototype/htdocs/torture-tests.html b/whalesong/repl-prototype/htdocs/torture-tests.html
new file mode 100644
index 0000000..29a4ee0
--- /dev/null
+++ b/whalesong/repl-prototype/htdocs/torture-tests.html
@@ -0,0 +1,24 @@
+<!DOCTYPE html>
+<html>
+<head>
+<script src="collects/runtime.js"></script>
+<script src="collects/library.js"></script>
+<script src="easyXDM-min.js"></script>
+<script src="repl.js"></script>
+<script src="tests-base.js"></script>
+<script src="torture-tests.js"></script>
+</head>
+<body>
+
+<h1>Repl tests</h1>
+<p>This page tests the behavior of REPL compilation under repeated
+usage.  This should just run forever.</p>
+
+<div id="is-running"></div>
+<br/>
+<div id="failure-index">Failures: </div>
+<div id="report"></div>
+<br/>
+
+</body>
+</html>
diff --git a/whalesong/repl-prototype/htdocs/torture-tests.js b/whalesong/repl-prototype/htdocs/torture-tests.js
new file mode 100644
index 0000000..c421299
--- /dev/null
+++ b/whalesong/repl-prototype/htdocs/torture-tests.js
@@ -0,0 +1,22 @@
+jQuery(document).ready(function() {
+    "use strict";    
+    var i = 0;
+    // Torture test: keep rerunning the tests over and over.
+    plt.tests.initTests(function(runTests) {
+        var k = function() {
+            i = i + 1;
+            $("#is-running").text(
+                "Pass " + i + ": " +
+                    plt.tests.getTestsRunCount() + " tests executed."); 
+            setTimeout(
+                function() {
+                    plt.tests.resetTests();
+                    runTests(k);
+                },
+                0);
+        };
+
+        runTests(k);
+    });
+});
+
