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• 句法
• 范例
• 规范
• 浏览器兼容性
• 相关话题

值 特性为 DOMTokenList interface is a stringifier that returns the value of the list as a DOMString , or clears and sets the list to the given value.

句法

tokenList.value;
					

值

A DOMString

范例

In the following example we retrieve the list of classes set on a <span> element as a DOMTokenList 使用 Element.classList , then write the value of the list to the <span> 's Node.textContent .

First, the HTML:

<span class="a b c"></span>
					

Now the JavaScript:

let span = document.querySelector("span");
let classes = span.classList;
span.textContent = classes.value;
					

输出看起来像这样：

规范

规范	状态	注释
DOM The definition of 'value' in that specification.	实时标准	初始定义

浏览器兼容性

The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request. 更新 GitHub 上的兼容性数据

	桌面						移动
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
value	Chrome 50 注意事项 50 注意事项 Before Chrome 50, this property was part of the deprecated child DOMSettableTokenList 接口。	Edge ≤18	Firefox Yes	IE 不支持 No	Opera 37 注意事项 37 注意事项 Before Opera 37, this property was part of the deprecated child DOMSettableTokenList 接口。	Safari 10	WebView Android 50 注意事项 50 注意事项 Before Chrome 50, this property was part of the deprecated child DOMSettableTokenList 接口。	Chrome Android 50 注意事项 50 注意事项 Before Chrome 50, this property was part of the deprecated child DOMSettableTokenList 接口。	Firefox Android Yes	Opera Android 37 注意事项 37 注意事项 Before Opera 37, this property was part of the deprecated child DOMSettableTokenList 接口。	Safari iOS 10	Samsung Internet Android 5.0 注意事项 5.0 注意事项 Before Samsung Internet 5.0, this property was part of the deprecated child DOMSettableTokenList 接口。

图例

完整支持

完整支持

不支持

不支持

见实现注意事项。

元数据

• 最后修改： Jan 17, 2020

相关话题

1. DOM (文档对象模型)
2. DOMTokenList
3. 特性

   1. length
4. 方法

   1. add()
   2. contains()
   3. entries()
   4. forEach()
   5. item()
   6. keys()
   7. remove()
   8. replace()
   9. supports()
   10. toggle()
   11. value
   12. values()
5. DOM 相关页面

   1. AbortController
   2. AbortSignal
   3. AbstractRange
   4. Attr
   5. ByteString
   6. CDATASection
   7. CSSPrimitiveValue
   8. CSSValue
   9. CSSValueList
   10. CharacterData
   11. ChildNode
   12. 注释
   13. CustomEvent
   14. DOMConfiguration
   15. DOMError
   16. DOMErrorHandler
   17. DOMException
   18. DOMImplementation
   19. DOMImplementationList
   20. DOMImplementationRegistry
   21. DOMImplementationSource
   22. DOMLocator
   23. DOMObject
   24. DOMParser
   25. DOMPoint
   26. DOMPointInit
   27. DOMPointReadOnly
   28. DOMRect
   29. DOMString
   30. DOMTimeStamp
   31. DOMUserData
   32. Document
   33. DocumentFragment
   34. DocumentType
   35. 元素
   36. ElementTraversal
   37. Entity
   38. EntityReference
   39. 事件
   40. EventTarget
   41. HTMLCollection
   42. MutationObserver
   43. 节点
   44. NodeFilter
   45. NodeIterator
   46. NodeList
   47. NonDocumentTypeChildNode
   48. ProcessingInstruction
   49. PromiseResolver
   50. 范围
   51. StaticRange
   52. 文本
   53. TextDecoder
   54. TextEncoder
   55. TimeRanges
   56. TreeWalker
   57. TypeInfo
   58. USVString
   59. UserDataHandler
   60. XMLDocument