style fontWeight 属性

将元素的字体粗细设置为"900"：

document.getElementById("demo").style.fontWeight = "900";

描述

fontWeight 属性设置或返回文本中字符的显示粗细程度。

Property
fontWeight	Yes	Yes	Yes	Yes	Yes

返回 fontWeight 属性：

object.style.fontWeight

设置 fontWeight 属性：

Value	Description
normal	Font is normal. This is default
lighter	Font is lighter
bold	Font is bold
bolder	Font is bolder
100 200 300 400 500 600 700 800 900	Defines from light to bold characters. 400 is the same as normal, and 700 is the same as bold
initial	Sets this property to its default value. Read about initial
inherit	Inherits this property from its parent element. Read about inherit