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tableRowReverse.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Table Row Reverse</title>
</head>
<body>
<div id="wrapper">
<table border="1">
<tr>
<th>Name</th>
<th>Phone</th>
</tr>
<tr>
<td>Ram</td>
<td>12345</td>
</tr>
<tr>
<td>Shyam</td>
<td>54321</td>
</tr>
</table>
</div>
<button>Reverse</button>
<script>
const btn = document.querySelector("button");
btn.onclick = () => {
//selecting all td
const allTd = document.querySelectorAll("td");
//creating array from td
const AllTdArray = Array.from(allTd);
let j = 0;
//getting first 2 values and putting them at the end
AllTdArray.push(AllTdArray.shift());
AllTdArray.push(AllTdArray.shift());
//emptying the table
document.querySelector("table").innerHTML = "";
//creating the first row
const tr = document.createElement("tr");
//populating it with static content
const statictd1 = document.createElement("th");
const statictd2 = document.createElement("th");
statictd1.innerHTML = "Name";
statictd2.innerHTML = "Phone";
tr.append(statictd1);
tr.append(statictd2);
//putting the row in table
document.querySelector("table").append(tr);
//creating the next 2 tr and
//populating it with content from array
for (let i = 0; i < 2; i++) {
const tr = document.createElement("tr");
const td1 = document.createElement("td");
const td2 = document.createElement("td");
td1.innerHTML = AllTdArray[j].innerHTML;
td2.innerHTML = AllTdArray[++j].innerHTML;
tr.append(td1);
tr.append(td2);
document.querySelector("table").append(tr);
j++;
}
};
</script>
</body>
</html>