How To Update HTML Table Selected Row Using JavaScript

edit html table selected row using javascript

In This Javascript Tutorial we will See Update HTML Table Selected Row From Input Text
1 - get selected row and display data into input text.
2 - edit the selected row with the new values .
In JS And Netbeans Editor .

Project Source Code:

<!DOCTYPE html>
<html>
<head>
<title>Edit HTML Table Selected Row</title>
<meta charset="windows-1252">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<style>
table tr:not(:first-child){
cursor: pointer;transition: all .25s ease-in-out;
}
table tr:not(:first-child):hover{background-color: #ddd;}
</style>
</head>
<body>
First Name:<input type="text" name="fname" id="fname"><br><br>
Last Name:<input type="text" name="lname" id="lname"><br><br>
Age:<input type="text" name="age" id="age"><br><br>
<button onclick="editRow();">Edit Row</button><br><br>

<table id="table" border="1">

<tr>
<th>First Name</th>
<th>Last Name</th>
<th>Age</th>
</tr>

<tr>
<td>FN1</td>
<td>LN1</td>
<td>10</td>
</tr>

<tr style="background-color: #ddd">
<td>FN2</td>
<td>LN2</td>
<td>20</td>
</tr>

<tr>
<td>FN3</td>
<td>LN3</td>
<td>30</td>
</tr>

<tr>
<td>FN4</td>
<td>LN4</td>
<td>40</td>
</tr>

<tr>
<td>FN5</td>
<td>LN5</td>
<td>50</td>
</tr>

</table>


<script>

// get selected row
// display selected row data in text input

var table = document.getElementById("table"),rIndex;

for(var i = 1; i < table.rows.length; i++)
{
table.rows[i].onclick = function()
{
rIndex = this.rowIndex;
console.log(rIndex);

document.getElementById("fname").value = this.cells[0].innerHTML;
document.getElementById("lname").value = this.cells[1].innerHTML;
document.getElementById("age").value = this.cells[2].innerHTML;
};
}


// edit the row
function editRow()
{
table.rows[rIndex].cells[0].innerHTML = document.getElementById("fname").value;
table.rows[rIndex].cells[1].innerHTML = document.getElementById("lname").value;
table.rows[rIndex].cells[2].innerHTML = document.getElementById("age").value;
}

</script>

</body>
</html>