JSFiddle - React, Tailwind, and code Playground

by Czechler

JavaScript

var interestRate = 0.05; // or (5/100) this rate is annual
var numberofYear = 10;
var numberofPayment = numberofYear * 12; 
var presentValue = 20000; //this is loan 

function PMT(ir,np, pv, fv = 0){ 
 var presentValueInterstFector = Math.pow((1 + ir), np);
 var pmt = ir * pv  * (presentValueInterstFector + fv)/(PresentValueInterstFector-1); 
 return pmt;
}

var testPMT = PMT(interestRate/12, numberofPayment, presentValue); //output 
console.log(testPMT);