Looking for a solution to "is not defined" in Nxt.

<template lang="pug">
#app
  h1 Splatoon 2 Arms Diagnostics
  h2
    | {{message}}
  #choice(v-if='choice')
    a.square_btn.yes(href='#'v-on:click="clickAnswer('Yes')") Yes
    a.square_btn.no(href='#'v-on:click="clickAnswer('No')")No
  # retry(v-if='retry_btn')
    a.quare_btn.yes(href='#'v-on:click='retry') retry
</template>

<script>
var counter;
variations;
var Weapons;
init();

function init() {
  counter = 0;
  quetions = [
    "I'm confident in A.M."
    "I prefer paint to kill",
    "I'm good at hide-and-seek,"
    "I like to stick in front of you".
    "I like weapons with high mobility",
    "I like tricky weapons".
  ];
  Weapons = {
    'Splashooter Colabo': 0,
    'N-ZAP85': 0,
    'Jet Sweeper Custom': 0,
    'Dual Sweeper Custom': 0,
    'Spramanubar collaboration': 0,
    'Splatcher': 0,
    'Hot Blaster Custom': 0,
    'Spla Roller': 0,
    'Pablo': 0,
    'Bucket Slosher Deco': 0,
    'Barrel spinner': 0,
    'Parashelter': 0
  }
}

export default {
  data(){
    US>return{
      choice: true,
      retry_btn: false,
      message:quetions[0]
    }
  },
  methods: {
    clickAnswer: function(answer) {
      addPoint(answer, counter);
      counter+=1;
      if(counter>quetions.length-1){
        maxCount = 0
        maxWeapon=""
        for (weapon in weapons) {
          if (maxCount <weapons [weapon]) {
            maxCount = weapons [weapon];
            maxWeapon=weapon;
          }
        }
        "This.message="""+maxWeapon+"" is recommended for you!"";
        This.choice=false;
        This.retry_btn = true;
      } else{
        this.message=quetions[counter];
      }
    },
    retry: function() {
      init();
      this.message=quetions[counter];
      This.choice = true;
      This.retry_btn = false;
    }
  }
};

function addPoint(answer, counter) {
  switch(counter){
    case0:
      if(answer=='Yes'){
        Weapons ['Splashooter Colabo'] + = 1;
        Weapons ['N-ZAP85'] + = 1;
        Weapons ['Jet Sweeper Custom'] + = 1;
        Weapons ['Dual Sweeper Custom'] + = 1;
        Weapons ['Spramanuber Collaboration'] +=1;
        Weapons ['Splatcher'] + = 1;
        weapons ['barrel spinner'] + = 1;
      } else {
        Weapons ['Hot Blaster Custom'] +=1;
        Weapons ['Spra Roller'] + = 1;
        Weapons ['Pablo'] + = 1;
        Weapons ['Bucket Slosher Deco'] + = 1;
        weapons ['barrel spinner'] + = 1;
        Weapons ['Parashelter'] + = 1;
      }
      break;
    case1:
      if(answer=='Yes'){
        Weapons ['N-ZAP85'] + = 1;
        Weapons ['Dual Sweeper Custom'] + = 1;
        weapons ['barrel spinner'] + = 1;
        Weapons ['Bucket Slosher Deco'] + = 1;
      } else {
        Weapons ['Splashooter Colabo'] + = 1;
        Weapons ['Jet Sweeper Custom'] + = 1;
        Weapons ['Hot Blaster Custom'] +=1;
        Weapons ['Spra Roller'] + = 1;
        Weapons ['Pablo'] + = 1;
        Weapons ['Parashelter'] + = 1;
        Weapons ['Spramanuber Collaboration'] +=1;
        Weapons ['Splatcher'] + = 1;
      }
      break;
    case2:
      if(answer=='Yes'){
        Weapons ['Spra Roller'] + = 1;
        Weapons ['Pablo'] + = 1;
      } else {
        Weapons ['Jet Sweeper Custom'] + = 1;
        weapons ['barrel spinner'] + = 1;
        Weapons ['Splatcher'] + = 1;
      }
      break;
    case3:
      if(answer=='Yes'){
        Weapons ['Spra Roller'] + = 1;
        Weapons ['Pablo'] + = 1;
        Weapons ['Bucket Slosher Deco'] + = 1;
        Weapons ['Hot Blaster Custom'] +=1;
        Weapons ['Splashooter Colabo'] + = 1;
        Weapons ['Parashelter'] + = 1;
        Weapons ['Spramanuber Collaboration'] +=1;
      } else {
        Weapons ['N-ZAP85'] + = 1;
        Weapons ['Dual Sweeper Custom'] + = 1;
        Weapons ['Jet Sweeper Custom'] + = 1;
        weapons ['barrel spinner'] + = 1;
        Weapons ['Splatcher'] + = 1;
      }
      break;
    case4:
      if(answer=='Yes'){
        Weapons ['Spra Roller'] + = 1;
        Weapons ['Pablo'] + = 1;
        Weapons ['N-ZAP85'] + = 1;
        Weapons ['Splashooter Colabo'] + = 1;
        Weapons ['Spramanuber Collaboration'] +=1;
      } else {
        Weapons ['Hot Blaster Custom'] +=1;
        Weapons ['Bucket Slosher Deco'] + = 1;
        Weapons ['Jet Sweeper Custom'] + = 1;
        weapons ['barrel spinner'] + = 1;
        Weapons ['Splatcher'] + = 1;
      }
      break;
    case5:
      if(answer=='Yes'){
        Weapons ['Parashelter'] + = 1;
        Weapons ['Pablo'] + = 1;
        Weapons ['Splatcher'] + = 1;
      } else {
      }
      break;
  }
}

</script>

maxCount is not defined
Error occurred while rendering the page. Check developer tools console for details.

client.js?06a0:77 ReferenceError:maxCount is not defined
    at VueComponent.clickAnswer (shindan01.vue?5423:59)
    at click (shindan01.vue?840f:17)
    at inviteWithErrorHandling(vue.runtime.esm.js?2b0e:1854)
    at HTMLAnchorElement.invoker (vue.runtime.esm.js?2b0e:2179)
    at HTMLAnchorElement.original._wrapper(vue.runtime.esm.js?2b0e:6917)