HTML DOMTokenList add() ɗanar

定义和用法

add() 方法将一个（或多个）标记（token）添加到 DOMTokenList。

实例

例子 1

将 "myStyle" 类添加到元素：

Gana rarrabawar yanarun na element:
list.add("myStyle");

}

例子 2

从元素中删除 "myStyle" 类：

Gana rarrabawar yanarun na element:
list.remove("myStyle");

}

例子 3

切换 "myStyle" 的开闭：

Gana rarrabawar yanarun na element:
list.toggle("myStyle");

}

例子 4

向元素添加多个类：

Gana rarrabawar yanarun na element:
list.add("myStyle", "anotherClass", "thirdClass");

}

例子 5

Masanin 5

Gana rarrabawar yanarun na element:
const list = element.classList;

}

let numb = list.length;

Masanin 7

Masanin 6

}

const list = document.getElementById("myDIV").classList;

Masanin 7

Gana "myDIV" na rarrabawar yanarun:

}

let className = element.classList.item(0);

Masanin 8

Idan element ke da rarrabawar 'myStyle', ya kawar 'myStyle'.

}

let x = element.classList.contains("myStyle");

Masanin 9

Idan element ke da rarrabawar 'myStyle', ya kawar 'anotherClass'.
  if (element.classList.contains("mystyle")) {
element.classList.remove("anotherClass");

}

Ganin shi kai kai

Syntaxdomtokenlisttoken.add(

)

) Description
token Dauki nauyi. Aka nuna takarda a cikin tsarin bayanai.

Return value

Wannan ba ce da girmama

Girmama browsers

domtokenlist.add() Ita ce DOM Level 4 (2015) characteristic.

Ita ke da girmama duk browsers:

Chrome Edge Firefox Safari Opera
Chrome Edge Firefox Safari Opera
Girmama Girmama Girmama Girmama Girmama

Internet Explorer 11 (da sauran samarwa) ba ta suka girmama domtokenlist.add().

Sayar sayar

Property length

Method item()

Method remove()

Method toggle()

Method replace()

Method forEach()

Method entries()

Method keys()

Method values()

DOMTokenList ceceka