diff --git a/libcef/browser/prefs/renderer_prefs.cc b/libcef/browser/prefs/renderer_prefs.cc
index 9260e3bb1..4827e9184 100644
--- a/libcef/browser/prefs/renderer_prefs.cc
+++ b/libcef/browser/prefs/renderer_prefs.cc
@@ -49,6 +49,8 @@ void SetDefaultPrefs(content::WebPreferences& web) {
   const base::CommandLine* command_line =
       base::CommandLine::ForCurrentProcess();
 
+  web.javascript_enabled =
+      !command_line->HasSwitch(switches::kDisableJavascript);
   web.allow_scripts_to_close_windows =
       !command_line->HasSwitch(switches::kDisableJavascriptCloseWindows);
   web.javascript_can_access_clipboard =
diff --git a/libcef/common/cef_switches.cc b/libcef/common/cef_switches.cc
index e4b055223..3b7f4f872 100644
--- a/libcef/common/cef_switches.cc
+++ b/libcef/common/cef_switches.cc
@@ -29,6 +29,9 @@ const char kUncaughtExceptionStackSize[] = "uncaught-exception-stack-size";
 // Default encoding.
 const char kDefaultEncoding[] = "default-encoding";
 
+// Disable JavaScript.
+const char kDisableJavascript[] = "disable-javascript";
+
 // Disable closing of windows via JavaScript.
 const char kDisableJavascriptCloseWindows[] =
     "disable-javascript-close-windows";
diff --git a/libcef/common/cef_switches.h b/libcef/common/cef_switches.h
index c56dfb4e9..8e15d6100 100644
--- a/libcef/common/cef_switches.h
+++ b/libcef/common/cef_switches.h
@@ -23,6 +23,7 @@ extern const char kLocalesDirPath[];
 extern const char kDisablePackLoading[];
 extern const char kUncaughtExceptionStackSize[];
 extern const char kDefaultEncoding[];
+extern const char kDisableJavascript[];
 extern const char kDisableJavascriptCloseWindows[];
 extern const char kDisableJavascriptAccessClipboard[];
 extern const char kDisableJavascriptDomPaste[];