string to array

const firstLater = "please";
const succondLater ="plezse";

const comparerString = (firstLater,succondLater)=>{
    let ArrayFirstLater = firstLater.split('')
    let ArraySuccondLater = succondLater.split('')
    let n1 = ArrayFirstLater.length
    let n2 = ArraySuccondLater.length
    if(n1==n2){
        for(let i = 0;i<n1;i++){
            if(ArrayFirstLater[i] = ArraySuccondLater[i]){
                 console.log(`${ArrayFirstLater[i]}=>${i}`)
            }else{
                console.log(`${ArrayFirstLater[i]} =>${i}`)
            }
        }
    }else{
       return 'not equel'
    }
}


comparerString(firstLater,succondLater)