style columnSpan 属性

让 h2 元素跨越所有列：

document.getElementById("myDIV").style.columnSpan = "all";

描述

columnSpan 属性指定元素应跨越多少列。

Property
columnSpan	50.0	10.0	71.0	10.0	37.0

返回columnSpan属性：

object.style.columnSpan

设置columnSpan属性：

object.style.columnSpan = "1|all|initial|inherit"

Value	Description
1	Default value. The element should span across one column
all	The element should span across all columns
initial	Sets this property to its default value. Read about initial
inherit	Inherits this property from its parent element. Read about inherit