Replace deprecated String.prototype.substr() (#19111)

.substr() is deprecated so we replace it with .slice() which works similarily but isn't deprecated

Signed-off-by: Tobias Speicher <rootcommander@gmail.com>

2 files changed, 2 insertions, 2 deletions

diff --git a/plugins/Overlay/javascripts/Piwik_Overlay.js b/plugins/Overlay/javascripts/Piwik_Overlay.js
index 57693d0de2..9ce5302d85 100644
--- a/plugins/Overlay/javascripts/Piwik_Overlay.js
+++ b/plugins/Overlay/javascripts/Piwik_Overlay.js
@@ -380,7 +380,7 @@ var Piwik_Overlay = (function () {
                 var currentHashStr = broadcast.getHash();
 
                 if (currentHashStr.charAt(0) == '?') {
-                    currentHashStr = currentHashStr.substr(1);
+                    currentHashStr = currentHashStr.slice(1);
                 }
 
                 currentHashStr = broadcast.updateParamValue('l=' + newFrameLocation, currentHashStr);
diff --git a/plugins/Overlay/templates/startOverlaySession.twig b/plugins/Overlay/templates/startOverlaySession.twig
index d99dc5f6fb..7e8b4d56ac 100644
--- a/plugins/Overlay/templates/startOverlaySession.twig
+++ b/plugins/Overlay/templates/startOverlaySession.twig
@@ -12,7 +12,7 @@
         var match = false;
         var parser = document.createElement('a');
 
-        var urlToRedirect = window.location.hash.substr(1);
+        var urlToRedirect = window.location.hash.slice(1);
         parser.href = urlToRedirect;
         var hostToRedirect = parser.hostname;