HTML DOM tr rowIndex property
tr objects Definition and Usage
rowIndex property returns a row ( rows ) position (row index) in a row in the table set.
grammar
Back rowIndex properties:
trObject.rowIndex
Tip: rowIndex property has no default value.
Browser Support
All major browsers support rowIndex property
Examples
Examples
The following example returns the position of a row in the table:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>本教程(w3big.com)</title>
<script>
function displayResult(x){
alert("Row index is: " + x.rowIndex);
}
</script>
</head>
<body>
<table border="1">
<tr onclick="displayResult(this)">
<td>单击显示行下标</td>
</tr>
<tr onclick="displayResult(this)">
<td>单击显示行下标</td>
</tr>
<tr onclick="displayResult(this)">
<td>单击显示行下标</td>
</tr>
</table>
</body>
</html>
<html>
<head>
<meta charset="utf-8">
<title>本教程(w3big.com)</title>
<script>
function displayResult(x){
alert("Row index is: " + x.rowIndex);
}
</script>
</head>
<body>
<table border="1">
<tr onclick="displayResult(this)">
<td>单击显示行下标</td>
</tr>
<tr onclick="displayResult(this)">
<td>单击显示行下标</td>
</tr>
<tr onclick="displayResult(this)">
<td>单击显示行下标</td>
</tr>
</table>
</body>
</html>
try it"
tr objects