CSSStyleDeclaration setProperty() method

CSSStyleDeclaration mwingine

Muhtasari na matumizi

setProperty() Method ni inayofanya kwa kusababisha uhusiano wa CSS mpya kwenye block ya uhusiano wa CSS, au kurekebisha uhusiano wa CSS wa hivi karibuni.

Mifano

Mfano 1

Kustawisha uhusiano wa CSS mpya:

var declaration = document.styleSheets[0].cssRules[0].style;
var setprop = declaration.setProperty("background-color", "yellow");

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Mfano 2

Kustawisha uhusiano wa CSS mpya na ukurusha msingi "important":

var declaration = document.styleSheets[0].cssRules[0].style;
var setprop = declaration.setProperty("background-color", "yellow", "important");

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Mfano 3

Kuharibia uhusiano wa CSS wa hivi karibuni:

var declaration = document.styleSheets[0].cssRules[0].style;
var setprop = declaration.setProperty("color", "blue");

Jaribu kwa utu wako

Maktaba

object.setProperty(propertyname, value, priority)

Masharti

Masharti Muhtasari
propertyname Injili. Tafuta, inayoitwa na kina, inaonyesha jina la uhusiano ambao linatengwa.
value 可选。表示新值的字符串。
priority

可选。字符串，表示属性的优先级是否应设置为重要。

合法值：

  • "important"
  • undefined
  • ""

技术细节

DOM 版本： CSS Object Model
返回值： undefined

浏览器支持

Chrome Edge Firefox Safari Opera
Chrome Edge Firefox Safari Opera
支持 9.0 支持 支持 支持
CSSStyleDeclaration mwingine