fix(Tab): "scrollLeftTo" function could not handle decimal correctly (#…

…12918)
youzan · Jun 8, 2024 · eb0073c · eb0073c
1 parent 31aae0b
commit eb0073c
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/packages/vant/src/tabs/utils.ts b/packages/vant/src/tabs/utils.ts
@@ -10,13 +10,15 @@ export function scrollLeftTo(
   let count = 0;
   const from = scroller.scrollLeft;
   const frames = duration === 0 ? 1 : Math.round((duration * 1000) / 16);
+  let scrollLeft = from;
 
   function cancel() {
     cancelRaf(rafId);
   }
 
   function animate() {
-    scroller.scrollLeft += (to - from) / frames;
+    scrollLeft += (to - from) / frames;
+    scroller.scrollLeft = scrollLeft;
 
     if (++count < frames) {
       rafId = raf(animate);