The HTML DOM Style columnCount property is used to set the number of columns an element is to be divided.
Following is the syntax for −
Setting the columnCount property −
object.style.columnCount = "number|auto|initial|inherit"
The above properties are explained as follows:
| Value | Description |
|---|---|
| Number | For setting the number of columns into which the content of the element will be divided. |
| Auto | The number of colums are determined by other properties e.g. “column-width” .This is the default property value. |
| Initial | For setting this property to initial value. |
| Inherit | To inherit the parent property value |
Let us look at an example for the columnCount property −
Example
<!DOCTYPE html>
<html>
<head>
<style>
div {
height: 120px;
column-count: 2;
border: 2px solid black;
background-color: mediumvioletred;
}
div > div {
background-color: yellow;
}
</style>
<script>
function changeColumnCount(){
document.getElementsByTagName("div")[0].style.columnCount="4";
document.getElementById("Sample").innerHTML="The column count is now increased to 4";
}
</script>
</head>
<body>
<div id="DIV1">
<div></div>
</div>
<p>Change the above div column count property by clicking the below button</p>
<button onclick="changeColumnCount()">Change Column Count</button>
<p id="Sample"></p>
</body>
</html>Output
On clicking the “Change Column Count” button −
