Divide the text in the div element into three columns:
document.getElementById("myDIV").style.columnCount = 3;
Click the button to set the column-count property of the DIV element to "3":
<!DOCTYPE html> <html> <body> <button onclick="myFunction()">Test</button> <div id="myDIV"> Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat. Ut wisi enim ad minim veniam, quis nostrud exerci tation ullamcorper suscipit lobortis nisl ut aliquip ex ea commodo consequat. Duis autem vel eum iriure dolor in hendrerit in vulputate velit esse molestie consequat, vel illum dolore eu feugiat nulla facilisis at vero eros et accumsan et iusto odio dignissim qui blandit praesent luptatum zzril delenit augue duis dolore te feugait nulla facilisi. Nam liber tempor cum soluta nobis eleifend option congue nihil imperdiet doming id quod mazim placerat facer possim assum. Typi non habent claritatem insitam; est usus legentis in iis qui facit eorum claritatem. Investigationes demonstraverunt lectores legere me lius quod ii legunt saepius. </div>//from w w w. j a v a 2s .c om <script> function myFunction() { document.getElementById("myDIV").style.columnCount = "3"; } </script> </body> </html>
The columnCount property specifies the number of columns an element should be divided into.
Property Values
| Value | Description |
|---|---|
| number | The optimal number of columns into which the content of the element will be flowed |
| auto | Default. The number of columns will be determined by other properties, like e.g. "column-width" |
| initial | Sets this property to its default value. |
| inherit | Inherits this property from its parent element. |
The columnCount property returns a String representing the column-count property of an element.