HTML | DOM ColumnGroup span Property
Last Updated :
28 Feb, 2022
The ColumnGroup span Property in HTML DOM is used to set or return the value of the span attribute of a colgroup element. The span attribute is used to define the number of column that a <colgroup> element should span.
Syntax:
Property Values: It contains single value number which specify the number of <colgroup> should span.
Return value: It returns a numeric value which represents the number of columns.
Example 1: This example returns the span property.
<!DOCTYPE html>
< html >
< head >
< title >
HTML DOM ColumnGroup span property
</ title >
< style >
#myColGroup {
background: green;
}
table {
color: white;
margin-left: 180px;
background: yellow;
}
#Geek_p {
color: green;
font-size: 30px;
}
td {
padding: 10px;
}
</ style >
</ head >
< body style = "text-align:center;" >
< h1 style = "color:green;" >
GeeksForGeeks
</ h1 >
< h2 >HTML | DOM ColumnGroup span Property</ h2 >
< table >
< colgroup id = "myColGroup" span = "2" ></ 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() {
var x = document.getElementById("myColGroup").span;
document.getElementById("Geek_p").innerHTML = x;
}
</ script >
</ body >
</ html >
|
Output:
Before Clicking the Button:
After Clicking the Button:
Example 2: This example sets the span Property.
<!DOCTYPE html>
< html >
< head >
< title >
HTML | DOM ColumnGroup span property
</ title >
< style >
#myColGroup {
background: green;
}
table {
color: white;
margin-left: 180px;
background: yellow;
}
#Geek_p {
color: green;
font-size: 30px;
}
td {
padding: 10px;
}
</ style >
</ head >
< body style = "text-align:center;" >
< h1 style = "color:green;" >
GeeksForGeeks
</ h1 >
< h2 >HTML | DOM ColumnGroup span Property</ h2 >
< table >
< colgroup id = "myColGroup" span = "2" >
</ 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() {
var x = document.getElementById("myColGroup").span
= "4";
document.getElementById("Geek_p").innerHTML
= "The value of the span attribute was"
+ " changed to " + x;
}
</ script >
</ body >
</ html >
|
Output:
Before Clicking the Button:
After Clicking the Button:
Supported Browsers: The browser supported by DOM Colgroup span property are listed below:
- Google Chrome
- Internet Explorer
- Firefox
- Opera
- Safari
Like Article
Suggest improvement
Share your thoughts in the comments
Please Login to comment...