JS_FUND_ experienceGaining_MIDEX

function solve(inputArr) {
//  Coding Tasks Done!!! :) 3 out of 3 answers :)

let neededExperience = Number(inputArr.shift());
let numOfBattles = Number(inputArr.shift());
let initalExperience = 0;
let counterBattles = 0;
//solve([50, 100, 200, 100, 30]);
for (let index = 0; index < inputArr.length; index++) {

    if ( initalExperience <  neededExperience  && counterBattles <= numOfBattles ) {
        let currentExperience = Number(inputArr[index]);
        counterBattles +=1;
        if( counterBattles % 3 === 0){
            initalExperience += currentExperience + 0.15*currentExperience;
        } else if (counterBattles % 5 === 0){
            initalExperience +=  currentExperience* 0.90;
        } else if ( counterBattles % 3 === 0 && counterBattles % 5 === 0 ){
            initalExperience += (currentExperience + 0.05*currentExperience);
        } else {
            initalExperience += currentExperience;
        }
    }

     if (initalExperience >= neededExperience){
        console.log(`Player successfully collected his needed experience for ${counterBattles} battles.`);
        return;
     }
}

 if ( initalExperience <  neededExperience) {
    let difference =   neededExperience - initalExperience;
    console.log(`Player was not able to collect the needed experience, ${difference.toFixed(2)} more needed.`);
    return;
}


}


solve([500, 5, 50, 100, 200, 100, 30]);
console.log(`***********`);
solve([500, 5, 50, 100, 200, 100, 20]);
console.log(`***********`);
solve([400, 5, 50, 100, 200, 100, 20]);