How to calculate numbers with loop in javascript

Question

I am working with javascript, i have static value(15000) and i want 15000*1.5/100+15000 with 90 times,i mean after getting result i want to again calculate that value(result/output,for example 225) 90 times,How can i do this ?

<script>
const cars ="15000";
for (let i = 0; i < 90; i++) {
   cars = cars*1.5/100+15000;
   cars --;
 }
 </script>

In c++ i did with following code but now i want to convert to javascript code

#include <iostream>

int main() {
    float a,b,c;
    std::cin>>b;
    for(int i=0;i<90;i++)
    {
        a=b*1.5/100;
        c=a+b;
        std::cout<<c<<"\n";
        b=c;
    }
    std::cout << "Hello world!"<<c;

    return 0;
}

My expected output is

If you want to be able to change the value of cars - then you should not declare it as const. — C3roe
– C3roe, Commented Jul 21, 2022 at 12:12
Your C++ example uses three variables for this; so why are you trying to do this with only a single one now in your JS version? — C3roe
– C3roe, Commented Jul 21, 2022 at 12:14
@CBroe what is the solution ? can you update/write code so i can check — amit
– amit, Commented Jul 21, 2022 at 12:14
@CBroe c++ program is working fine you can check in c++ compiler, but i am new in javascript so i just tried not sure about output,Hope you understand, — amit
– amit, Commented Jul 21, 2022 at 12:15

mgm793 · Accepted Answer · 2022-07-21 12:18:52Z

1

You can do something like this:

let cars = 15000;
for (let i = 0; i < 90; i++) {
  console.log(parseFloat(cars.toFixed(1))); // set 1 decimal and print it
  cars = (cars * 1.5) / 100 + cars; // same function as c++
}

answered Jul 21, 2022 at 12:18

mgm793

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Comments

hugomztl · Accepted Answer · 2022-07-21 12:40:54Z

0

You can simply use an array and push the result into for each iteration of the loop, then use the [i] index to use the new value. Finally you just have to output the array and you already have all your data stored.

let carsArray = [15000];

for (let i = 0; i < 90; i++) {
   cars = carsArray[i]*1.5/100 + carsArray[i];
   carsArray.push(cars);
 }
 
 console.log(carsArray);

edited Jul 21, 2022 at 12:40

answered Jul 21, 2022 at 12:34

hugomztl

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