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DOMStringMap

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Used by the dataset HTML attribute to represent data for custom attributes added to elements. 

方法预览

DOMString getDataAttr(in DOMString prop); Native code only!
boolean hasDataAttr(in DOMString prop); Violates the XPCOM interface guidelines
void removeDataAttr(in DOMString prop); Violates the XPCOM interface guidelines
void removeProp(in nsIAtom attr); Violates the XPCOM interface guidelines
void setDataAttr(in DOMString prop, in DOMString value); Native code only!

方法

Native code only!

getDataAttr

DOMString getDataAttr(
  in DOMString prop
);
参数
prop
属性名
返回值

     指定属性名的值

Violates the XPCOM interface guidelines

hasDataAttr()

boolean hasDataAttr(
  in DOMString prop
);
参数
prop
属性名
返回值

  如果该属性存在则返回 true,否则返回 false

Violates the XPCOM interface guidelines

removeDataAttr()

void removeDataAttr(
  in DOMString prop
);
参数
prop
属性名

Violates the XPCOM interface guidelines

removeProp()

移除属性,当移除的是 data-* 属性时更新整个数据集

void removeProp(
  in nsIAtom attr
);
参数
attr
属性名

Native code only!

setDataAttr

给指定属性赋值

void setDataAttr(
  in DOMString prop,
  in DOMString value
);
参数
prop
属性名
value
属性值

浏览器兼容性

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support ? 6.0 (6.0) ? ? ?
Feature Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support ? ? ? ? ?

参见

文档标签和贡献者

 此页面的贡献者: ShiJianwen, lann1986, FredWe
 最后编辑者: ShiJianwen,