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hub / github.com/codemistic/Web-Development / calculateResults

Function calculateResults

LoadCalculator.js:15–45  ·  view source on GitHub ↗
(e)

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13 });
14 //Calculate Results function
15 function calculateResults(e){
16 console.log('calculating...');
17 //UI cars
18 const ELamount = document.getElementById('amount');
19 const ELinterest = document.getElementById('interest');
20 const ELyears = document.getElementById('years');
21 const ELMonthly_payment = document.getElementById('monthly-payment');
22 const ELtotal_payment = document.getElementById('total-payment');
23 const ELtotal_interest = document.getElementById('total-interest');
24 const principal = parseFloat(ELamount.value);
25 const calculatedInterest = parseFloat(ELinterest.value) /100 /12;
26 const calculatedPayment = parseFloat(ELyears.value )*12;
27 //Create monthly payment
28 const x = Math.pow(1 + calculatedInterest, calculatedPayment);
29 const monthly = (principal * x * calculatedInterest) / (x - 1);
30 console.log(monthly);
31 if(isFinite(monthly)){//check whether it is finite or not
32 ELMonthly_payment.value = monthly.toFixed(2);
33 ELtotal_payment.value = (monthly*calculatedPayment).toFixed(2);
34 ELtotal_interest.value = ((monthly*calculatedPayment)-principal).toFixed(2);//fix to 2 deciman places
35 //Show Results
36 document.getElementById('results').style.display='block';
37 //Hide Loader
38 document.getElementById('loading').style.display='none';
39 }else{
40 console.log("Plase check your numbers");
41 //Display an error
42 showError('Plase check your number');
43 }
44 e.preventDefault();
45 }
46 function showError(error){
47 //Show Results
48 document.getElementById('results').style.display='none';

Callers

nothing calls this directly

Calls 2

showErrorFunction · 0.85
logMethod · 0.45

Tested by

no test coverage detected