JSFiddle - React, Tailwind, and code Playground

JavaScript

var slots = [8,9,10]          
for(var s=0;s<slots.length;s++)//finding maximum value of slots array
        {    
             if(s == 0)
             { 
              var slots_max = slots[s];
             }
             else
             {
                    if(slots[s] > slots_max)
                    {
                      slots_max = slots[s];
                    }
             }              
        }  
alert(slots_max);