Columngroup spanProperty
Columngroup ObjectColumngroup Object
Example
Return the number of columns spanned by the <colgroup> element:
var x = document.getElementById("myColgroup").span;
xThe output result is:
2
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Definition and Usage
The span property sets or returns the value of the span attribute of a column group.
The span attribute defines the number of columns spanned by the <colgroup> element.
Tip:To describe the attributes of different column elements in <colgroup>, useColumnobject.
Browser Support
All major browsers support the span attribute.
Syntax
Return the span attribute:
columngroupObject.span
Set the formMethod attribute:
columngroupObject.span=number
Property Values
| Value | Description |
|---|---|
| number | Describes the number of columns spanned by the <colgroup> element. |
Technical Details
| Return Value: | Returns the number of columns |
|---|
More Examples
Example
Use the span and backgroundColor properties to set the background color of the first two columns to red:
document.getElementById("myColgroup").span="2";
document.getElementById("myColgroup").style.backgroundColor="red";
document.getElementById("myColgroup").style.backgroundColor="red";
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Related Pages
HTML Reference:HTML <colgroup> span Attribute
Columngroup ObjectColumngroup Object