Image() 构造函数创建新 HTMLImageElement 实例。它在功能上相当于 document.createElement('img') .

消除歧义: image() ,CSS 函数表示法 .

句法

var htmlImageElement = new Image(width, height);
					

参数

width
The width of the image (i.e., the value for the width 属性)。
height
The height of the image (i.e., the value for the height 属性)。

用法注意事项

The entire bitmap is loaded regardless of the sizes specified in the constructor. The size specified in the constructor is reflected through the properties HTMLImageElement.width and HTMLImageElement.height of the resulting instance. The intrinsic width and height of the image in CSS pixels are reflected through the properties HTMLImageElement.naturalWidth and HTMLImageElement.naturalHeight . If no size is specified in the constructor both pairs of properties have the same values.

范例

var myImage = new Image(100, 200);
myImage.src = 'picture.jpg';
document.body.appendChild(myImage);
					

This would be the equivalent of defining the following HTML tag inside the <body> :

<img width="100" height="200" src="picture.jpg">
					

规范

规范 状态 注释
HTML 实时标准
在该规范中的 Image() 定义。
实时标准

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
Image() 构造函数 Chrome 1 Edge 12 Firefox 1 IE 8 Opera 8 Safari 10.1 WebView Android 1 Chrome Android 18 Firefox Android 4 Opera Android ? Safari iOS 1 Samsung Internet Android 1.0

图例

完整支持

完整支持

兼容性未知 ?

兼容性未知

元数据

  • 最后修改:
  1. HTMLImageElement
  2. 构造函数
    1. Image()
  3. 特性
    1. align
    2. alt
    3. border
    4. complete
    5. crossOrigin
    6. currentSrc
    7. decoding
    8. height
    9. hspace
    10. loading
    11. longDesc
    12. lowSrc
    13. 名称
    14. naturalWidth
    15. referrerPolicy
    16. sizes
    17. srcset
    18. useMap
    19. vspace
    20. width
  4. 方法
    1. decode()
  5. 继承:
    1. HTMLElement
    2. 元素
    3. 节点
    4. EventTarget
  6. HTML DOM 相关页面
    1. BeforeUnloadEvent
    2. DOMStringMap
    3. ErrorEvent
    4. GlobalEventHandlers
    5. HTMLAnchorElement
    6. HTMLAreaElement
    7. HTMLAudioElement
    8. HTMLBRElement
    9. HTMLBaseElement
    10. HTMLBaseFontElement
    11. HTMLBodyElement
    12. HTMLButtonElement
    13. HTMLCanvasElement
    14. HTMLContentElement
    15. HTMLDListElement
    16. HTMLDataElement
    17. HTMLDataListElement
    18. HTMLDialogElement
    19. HTMLDivElement
    20. HTMLDocument
    21. HTMLElement
    22. HTMLEmbedElement
    23. HTMLFieldSetElement
    24. HTMLFormControlsCollection
    25. HTMLFormElement
    26. HTMLFrameSetElement
    27. HTMLHRElement
    28. HTMLHeadElement
    29. HTMLHeadingElement
    30. HTMLHtmlElement
    31. HTMLIFrameElement
    32. HTMLInputElement
    33. HTMLIsIndexElement
    34. HTMLKeygenElement
    35. HTMLLIElement
    36. HTMLLabelElement
    37. HTMLLegendElement
    38. HTMLLinkElement
    39. HTMLMapElement
    40. HTMLMediaElement
    41. HTMLMetaElement
    42. HTMLMeterElement
    43. HTMLModElement
    44. HTMLOListElement
    45. HTMLObjectElement
    46. HTMLOptGroupElement
    47. HTMLOptionElement
    48. HTMLOptionsCollection
    49. HTMLOutputElement
    50. HTMLParagraphElement
    51. HTMLParamElement
    52. HTMLPictureElement
    53. HTMLPreElement
    54. HTMLProgressElement
    55. HTMLQuoteElement
    56. HTMLScriptElement
    57. HTMLSelectElement
    58. HTMLShadowElement
    59. HTMLSourceElement
    60. HTMLSpanElement
    61. HTMLStyleElement
    62. HTMLTableCaptionElement
    63. HTMLTableCellElement
    64. HTMLTableColElement
    65. HTMLTableDataCellElement
    66. HTMLTableElement
    67. HTMLTableHeaderCellElement
    68. HTMLTableRowElement
    69. HTMLTableSectionElement
    70. HTMLTemplateElement
    71. HTMLTextAreaElement
    72. HTMLTimeElement
    73. HTMLTitleElement
    74. HTMLTrackElement
    75. HTMLUListElement
    76. HTMLUnknownElement
    77. HTMLVideoElement
    78. HashChangeEvent
    79. 历史
    80. ImageData
    81. 定位
    82. MessageChannel
    83. MessageEvent
    84. MessagePort
    85. Navigator
    86. NavigatorGeolocation
    87. NavigatorID
    88. NavigatorLanguage
    89. NavigatorOnLine
    90. NavigatorPlugins
    91. PageTransitionEvent
    92. Plugin
    93. PluginArray
    94. PopStateEvent
    95. PortCollection
    96. PromiseRejectionEvent
    97. RadioNodeList
    98. Transferable
    99. ValidityState
    100. Window
    101. WindowBase64
    102. WindowEventHandlers
    103. WindowTimers