The DOM Column span Property is used to set or return the value of a span attribute of a <column> element. The colspan attribute in HTML specifies the number of columns a cell should span.
Syntax:
- It is used to return the span property.
columnObject.span
- It is used to set the Column span property.
columnObject.span = number
- number: It specifies the number of the column that a cell should span. It does not allow negative values.
- Google Chrome
- Internet Explorer
- Firefox
- Opera
- Safari
Property Values:
Return Values: It returns a numeric value which represent the number of columns.
Example-1: This Example that illustrate how to return the column span Property.
<!DOCTYPE html> <html>
<head>
<title>
HTML | DOM Column span Property
</title>
</head>
<style>
#myCol {
background: green;
}
table {
color: white;
margin-left: 150px;
}
#Geek_p {
color: green;
font-size: 30px;
}
td {
padding: 10px;
}
</style>
<body style="text-align:center;">
<h1 style="color:green;">
GeeksForGeeks
</h1>
<h2>HTML | DOM Column span Property</h2>
<table>
<colgroup>
<col id="myCol" span="2">
<col style="background-color:green">
</colgroup>
<tr>
<th>S.No</th>
<th>Title</th>
<th>Geek_id</th>
</tr>
<tr>
<td>Geek_1</td>
<td>GeekForGeeks</td>
<th>Geek_id_1</th>
</tr>
<tr>
<td>Geek_2</td>
<td>GeeksForGeeks</td>
<th>Geek_id_2</th>
</tr>
</table>
<br>
<button onclick="myGeeks()">
Click
</button>
<h4>
<p id="Geek_p"
style="color:green">
</p>
</h4>
<script>
function myGeeks() {
// access col element
var x = document.getElementById(
"myCol").span;
document.getElementById(
"Geek_p").innerHTML = x;
}
</script>
</body>
</html>
|
Output:
Before Clicking On Button:
After Clicking In Button:
Example-2: This HTML Example illustrates how to set the column span Property.
<!DOCTYPE html> <html>
<head>
<title>
HTML | DOM Column span Property
</title>
</head>
<style>
#gfg {
background: green;
}
table {
color: white;
margin-left: 150px;
}
#Geek_p {
color: green;
font-size: 30px;
}
td {
padding: 10px;
}
</style>
<body style="text-align:center;">
<h1 style="color:green;">
GeeksForGeeks
</h1>
<h2>HTML | DOM Column span Property</h2>
<table>
<colgroup>
<col id="gfg" span="3">
<col style=
"background-color:green">
</colgroup>
<tr>
<th>S.No</th>
<th>Title</th>
<th>Geek_id</th>
</tr>
<tr>
<td>Geek_1</td>
<td>GeekForGeeks</td>
<th>Geek_id_1</th>
</tr>
<tr>
<td>Geek_2</td>
<td>GeeksForGeeks</td>
<th>Geek_id_2</th>
</tr>
</table>
<br>
<button onclick="myGeeks()">
Click
</button>
<h4>
<p id="Geek_p" style="color:green">
</p>
</h4>
<script>
function myGeeks() {
// access col element
document.getElementById(
"gfg").span = 2;
document.getElementById("gfg").
style.backgroundColor = "red";
}
</script>
</body>
</html>
|
Output:
Before Clicking On Button:
After Clicking On Button:
Supported Browsers: The browser supported by DOM Column span Property are listed below: