style columnCount 属性

将 div 元素中的文本分为三列：

document.getElementById("myDIV").style.columnCount = 3;

描述

columnCount 属性指定元素应分为的列数。

Property
columnCount	50.0	10.0	52.0	10.0	37.0

返回columnCount属性：

object.style.columnCount

设置列计数属性：

object.style.columnCount = "number|auto|initial|inherit"

Value	Description
number	The optimal number of columns into which the content of the element will be flowed
auto	Default value. The number of columns will be determined by other properties, like e.g. "column-width"
initial	Sets this property to its default value. Read about initial
inherit	Inherits this property from its parent element. Read about inherit