initiate word_list before detection

templates/browser-detect.html

@@ -313,7 +313,7 @@
         const pitchInput = document.getElementById('pitch');
         const rateValue = document.getElementById('rateValue');
         const pitchValue = document.getElementById('pitchValue');
-
+        var wordlist=[]
         let voices = [];
 
         const languageNames = {
@@ -641,7 +641,7 @@
                 console.log("Text to speech is now not supported")
             }
         }
-        var word_list = []
+        word_list = []
 
 
         function set_output_array(text) {