Javascript & jquery decision structures and loops help.

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1.00/5 (1 vote)

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<!DOCTYPE html>
<html>
    <h1></h1>

<table border ='1' cellpadding="2" cellspacing="2" style=";margin-left;">
  <tr>
    <!-- Create Headings for table -->
    <th bgcolor='cyan'>Year </th>
    <th bgcolor='cyan'>Amount on Deposit Dec 31</th>
  </tr>
  <!-- Create table -->
  <tr>
    <td id='year'></td> 
    <td id='amt'></td>
</table>

    <script src="script.js"></script>
    <link href="style.css" rel="stylesheet" type="text/css">
  </body>
</html>

-------------------------------------------------------------------------------------
//Javascript

var i = 0;
var msg1 = ' ';
var msg2 = ' ';
var rate = .05;
var principle = 1000.00;
var year = 1;

{
while (i < 10) {
msg1 += i + 1 + '<br />'; 
msg2 +='$' + principle * Math.pow(1.0 + rate, year + i++)  + '<br />';
}}
document.getElementById('year').innerHTML = msg1;
document.getElementById('amt').innerHTML = msg2;
document.writeln('<tr><td>' + )
(year % 2 !==0)

------------------------------------------------------------------------------------
How it's supposed to look.
Imgur: The magic of the Internet[^]

What I have tried:

I've tried a few things, I know the table in html needs more rows but I'm not sure how to write that from JS and have it work properly.

Posted 10-Oct-21 16:47pm

J C Oct2021

Updated 10-Oct-21 22:35pm

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Richard Deeming · Answer 1 · 2021-10-10T22:35:00

You need to use insertRow()[^] to insert rows into your table.

HTML

<table>
<thead>
    <tr>
        <th>Year</th>
        <th>Amount</th>
    </tr>
</thead>
<tbody id="tableBody">
</tbody>
</table>

JavaScript

function appendRow(yearNumber, amount){
    const tbody = document.getElementById("tableBody");
    const tr = tbody.insertRow();
    let td = tr.insertCell();
    let text = document.createTextNode(yearNumber);
    td.appendChild(text);
    td = tr.insertCell();
    text = document.createTextNode(amount);
    td.appendChild(text);
}

Demo[^]