diff --git a/NEWS b/NEWS
index e5487381..5267b83a 100644
--- a/NEWS
+++ b/NEWS
@@ -46,6 +46,8 @@ Miscellaneous:
 * enhancement: Add a new entry Link Info under Link main menu.
 * enhancement: New option protocol.http.compression.
 * enhancement: Indicate backgrounded downloads using an unused led.
+* enhancement: Display the number of ECMAScript interpreters that have
+  been allocated for documents in the Resources dialog.
 
 //////////////////////////////////////////////////////////////////////
 The following changes should be removed from NEWS before ELinks 0.13.0
diff --git a/src/dialogs/info.c b/src/dialogs/info.c
index 77bbab4b..26981474 100644
--- a/src/dialogs/info.c
+++ b/src/dialogs/info.c
@@ -19,6 +19,7 @@
 #include "config/options.h"
 #include "dialogs/info.h"
 #include "document/renderer.h"
+#include "ecmascript/ecmascript.h"
 #include "intl/gettext/libintl.h"
 #include "main/select.h"
 #include "main/timer.h"
@@ -231,6 +232,15 @@ get_resource_info(struct terminal *term, void *data)
 	val_add(n_("%ld refreshing", "%ld refreshing", val, term));
 	add_to_string(&info, ".\n");
 
+#ifdef CONFIG_ECMASCRIPT
+	add_to_string(&info, _("ECMAScript", term));
+	add_to_string(&info, ": ");
+
+	val = ecmascript_get_interpreter_count();
+	val_add(n_("%ld interpreter", "%ld interpreters", val, term));
+	add_to_string(&info, ".\n");
+#endif
+
 	add_to_string(&info, _("Interlinking", term));
 	add_to_string(&info, ": ");
 	if (term->master)
diff --git a/src/ecmascript/ecmascript.c b/src/ecmascript/ecmascript.c
index 690a2926..4b9d18f0 100644
--- a/src/ecmascript/ecmascript.c
+++ b/src/ecmascript/ecmascript.c
@@ -66,6 +66,8 @@ static struct option_info ecmascript_options[] = {
 	NULL_OPTION_INFO,
 };
 
+static int interpreter_count;
+
 struct ecmascript_interpreter *
 ecmascript_get_interpreter(struct view_state *vs)
 {
@@ -77,6 +79,8 @@ ecmascript_get_interpreter(struct view_state *vs)
 	if (!interpreter)
 		return NULL;
 
+	++interpreter_count;
+
 	interpreter->vs = vs;
 	interpreter->vs->ecmascript_fragile = 0;
 	init_list(interpreter->onload_snippets);
@@ -85,6 +89,7 @@ ecmascript_get_interpreter(struct view_state *vs)
 #else
 	spidermonkey_get_interpreter(interpreter);
 #endif
+
 	init_string(&interpreter->code);
 	return interpreter;
 }
@@ -111,6 +116,13 @@ ecmascript_put_interpreter(struct ecmascript_interpreter *interpreter)
 	interpreter->vs->ecmascript = NULL;
 	interpreter->vs->ecmascript_fragile = 1;
 	mem_free(interpreter);
+	--interpreter_count;
+}
+
+int
+ecmascript_get_interpreter_count(void)
+{
+	return interpreter_count;
 }
 
 void
diff --git a/src/ecmascript/ecmascript.h b/src/ecmascript/ecmascript.h
index 5285ea41..2f1c052b 100644
--- a/src/ecmascript/ecmascript.h
+++ b/src/ecmascript/ecmascript.h
@@ -71,6 +71,7 @@ void ecmascript_free_urls(struct module *module);
 
 struct ecmascript_interpreter *ecmascript_get_interpreter(struct view_state*vs);
 void ecmascript_put_interpreter(struct ecmascript_interpreter *interpreter);
+int ecmascript_get_interpreter_count(void);
 
 void ecmascript_detach_form_view(struct form_view *fv);
 void ecmascript_detach_form_state(struct form_state *fs);