diff --git a/dlls/jscript/string.c b/dlls/jscript/string.c
index f99d9ad7324..5afbe464d55 100644
--- a/dlls/jscript/string.c
+++ b/dlls/jscript/string.c
@@ -418,8 +418,8 @@ static HRESULT String_indexOf(DispatchEx *dispex, LCID lcid, WORD flags, DISPPAR
 static HRESULT String_italics(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 {
-    FIXME("\n");
-    return E_NOTIMPL;
+    static const WCHAR italicstagW[] = {'I',0};
+    return do_attributeless_tag_format(dispex, lcid, flags, dp, retv, ei, sp, italicstagW);
 }
 
 static HRESULT String_lastIndexOf(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
diff --git a/dlls/jscript/tests/api.js b/dlls/jscript/tests/api.js
index c8e8d2c6c05..d8df87f208c 100644
--- a/dlls/jscript/tests/api.js
+++ b/dlls/jscript/tests/api.js
@@ -305,6 +305,15 @@ ok(tmp === "<TT>test</TT>", "'test'.fixed() = " + tmp);
 tmp = "test".fixed(3);
 ok(tmp === "<TT>test</TT>", "'test'.fixed(3) = " + tmp);
 
+tmp = "".italics();
+ok(tmp === "<I></I>", "''.italics() = " + tmp);
+tmp = "".italics(3);
+ok(tmp === "<I></I>", "''.italics(3) = " + tmp);
+tmp = "test".italics();
+ok(tmp === "<I>test</I>", "'test'.italics() = " + tmp);
+tmp = "test".italics(3);
+ok(tmp === "<I>test</I>", "'test'.italics(3) = " + tmp);
+
 var arr = new Array();
 ok(typeof(arr) === "object", "arr () is not object");
 ok((arr.length === 0), "arr.length is not 0");