style columns 属性

将文本分成三列，每列至少 100 像素：

document.getElementById("myDIV").style.columns = "100px 3";

描述

columns 属性是用于设置columnWidth 和columnCount 的简写属性。

Property
columns	50.0	10.0	52.0	10.0	37.0

返回列属性：

object.style.columns

设置列属性：

object.style.columns = "auto| column-width column-count|initial|inherit"

Value	Description
auto	Default value. Sets both the column width to "auto" and the column-count to "auto"
columnWidth	The width of the columns
columnCount	The number of columns
initial	Sets this property to its default value. Read about initial
inherit	Inherits this property from its parent element. Read about inherit