Javascript DOM CSS Style columnRule Property

Introduction

Specify the width, style and color of the rule between columns:

document.getElementById("myDIV").style.columnRule = "3px outset blue";

Click the button to set the column-rule property the DIV element:

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<!DOCTYPE html>
<html>
<head>
<style>
#myDIV {//  www.  j a v a  2 s . co m
  column-count: 3;
}
</style>
</head>
<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>

<script>
function myFunction() {
  document.getElementById("myDIV").style.columnRule = "3px outset lightblue";
}
</script>

</body>
</html>

The columnRule property is a shorthand property for setting all the columnRule properties.

The columnRule property sets the width, style, and color of the rule between columns.

The column rule properties are, in any order:

columnRuleColor columnRuleStyle columnRuleWidth

Property Values

Value	Description
columnRuleWidth	Sets the width of the rule between columns. Default value is medium
columnRuleStyle	Sets the style of the rule between columns. Default value is none
columnRuleColor	Sets the color of the rule between columns. Default value is the color of the element
initial	Sets this property to its default value.
inherit	Inherits this property from its parent element.

The columnRule property default value:

medium none color

The columnRule property returns a string representing the column-rule property of an element.

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