bug5587

src/js/medicalTermMap.js

@@ -20,6 +20,9 @@ $("#infoTxt").bind("input propertychange",function(event){
 
 $(".submit").on("click",function(){
     const val = $('#infoTxt').val().trim()
+    if(!val){
+        return
+    }
     let param = {
         word_type: select_type,
         word: val,