From 67d4360453e0316b494a43320e2e5df53a93d5ea Mon Sep 17 00:00:00 2001
From: Aarni Koskela <akx@iki.fi>
Date: Fri, 19 May 2023 13:06:12 +0300
Subject: [PATCH] get_tab_index(): use a for loop with early-exit for
 performance

---
 javascript/ui.js | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/javascript/ui.js b/javascript/ui.js
index f13e7b6c1..648a5290e 100644
--- a/javascript/ui.js
+++ b/javascript/ui.js
@@ -100,15 +100,13 @@ function switch_to_extras() {
 }
 
 function get_tab_index(tabId) {
-    var res = 0;
-
-    gradioApp().getElementById(tabId).querySelector('div').querySelectorAll('button').forEach(function(button, i) {
-        if (button.className.indexOf('selected') != -1) {
-            res = i;
+    let buttons = gradioApp().getElementById(tabId).querySelector('div').querySelectorAll('button');
+    for (let i = 0; i < buttons.length; i++) {
+        if (buttons[i].classList.contains('selected')) {
+            return i;
         }
-    });
-
-    return res;
+    }
+    return 0;
 }
 
 function create_tab_index_args(tabId, args) {