Widget:Test

<script> Date.prototype.getWeekNumber = function(){

 let d = new Date(Date.UTC(this.getFullYear(), this.getMonth(), this.getDate()));
 let dayNum = d.getUTCDay() || 7;
 d.setUTCDate(d.getUTCDate() + 4 - dayNum);
 let yearStart = new Date(Date.UTC(d.getUTCFullYear(),0,1));
 return Math.ceil((((d - yearStart) / 86400000) + 1)/7)

};

const actualWeekNumber = new Date().getWeekNumber(); const bossCard = document.getElementById('boss-card');

const bosses = [

   {
       name: 'Suicune',
       image: 'Card_Boss-Fight-Suicune.png'
   },
   {
       name: 'Entei',
       image: 'Card_Boss-Fight-Entei.png'
   },
   {
       name: 'Raikou',
       image: 'Card_Boss-Fight-Raikou.png'
   }

];

/*

 1° 
 2° 
 3°  

• /

bossCard.src = bosses[actualWeekNumber % 3].image; bossCard.alt = bosses[actualWeekNumber % 3].name; </script>