From 76870c6a3780323d364da9b9c52502ab4c979378 Mon Sep 17 00:00:00 2001
From: Ng Yik Phang <ngyikp@gmail.com>
Date: Mon, 25 Jun 2018 13:10:06 +0800
Subject: [PATCH] Prevent page from scrolling to top when clicking languages
 button (#802)

---
 lib/core/nav/HeaderNav.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/core/nav/HeaderNav.js b/lib/core/nav/HeaderNav.js
index 97bf6187e4aa..2285ec3cf964 100644
--- a/lib/core/nav/HeaderNav.js
+++ b/lib/core/nav/HeaderNav.js
@@ -101,8 +101,10 @@ class LanguageDropDown extends React.Component {
             __html: `
         const languagesMenuItem = document.getElementById("languages-menu");
         const languagesDropDown = document.getElementById("languages-dropdown");
-        languagesMenuItem.addEventListener("click", function(){
-          if(languagesDropDown.className == "hide") {
+        languagesMenuItem.addEventListener("click", function(event) {
+          event.preventDefault();
+
+          if (languagesDropDown.className == "hide") {
             languagesDropDown.className = "visible";
           } else {
             languagesDropDown.className = "hide";