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  4. autocapitalize

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autocapitalize global attribute is an enumerated attribute that controls whether and how text input is automatically capitalized as it is entered/edited by the user. The attribute must take one of the following values:

  • off or none : No autocapitalization is applied (all letters default to lowercase)
  • on or sentences : The first letter of each sentence defaults to a capital letter; all other letters default to lowercase
  • words : The first letter of each word defaults to a capital letter; all other letters default to lowercase
  • characters : All letters should default to uppercase

autocapitalize attribute doesn’t affect behavior when typing on a physical keyboard. Instead, it affects the behavior of other input mechanisms, such as virtual keyboards on mobile devices and voice input. The behavior of such mechanisms is that they often assist users by automatically capitalizing the first letter of sentences. The autocapitalize attribute enables authors to override that behavior per-element.

autocapitalize attribute never causes autocapitalization to be enabled for an <input> element with a type attribute whose value is url , email ，或 password .

规范

规范 状态 注释
HTML 实时标准
The definition of 'autocapitalize' in that specification. 		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
autocapitalize Chrome 不支持 No Edge ? Firefox 不支持 No IE ? Opera ? Safari 不支持 No WebView Android 完整支持 66 Chrome Android 完整支持 66 Firefox Android 不支持 No Opera Android ? Safari iOS 完整支持 5 Samsung Internet Android ?

图例

完整支持

完整支持

不支持

不支持

兼容性未知 ?

兼容性未知

元数据

  • 最后修改：
  1. HTML
  2. 教程：
  3. HTML 基础
  4. HTML 介绍
    1. Introduction to HTML overview
    2. Getting started with HTML
    3. What's in the head? Metadata in HTML
    4. HTML text fundamentals
    5. Creating hyperlinks
    6. Advanced text formatting
    7. Document and website structure
    8. Debugging HTML
    9. Assessment: Marking up a letter
    10. Assessment: Structuring a page of content
  5. 多媒体和嵌入
    1. Multimedia and embedding overview
    2. Images in HTML
    3. Video and audio content
    4. From object to iframe — other embedding technologies
    5. Adding vector graphics to the Web
    6. Responsive images
    7. Assessment: Mozilla splash page
  6. 参考：
  7. HTML 元素
    1. <a>
    2. <abbr>
    3. <acronym>
    4. <address>
    5. <applet>
    6. <area>
    7. <article>
    8. <aside>
    9. <audio>
    10. <b>
    11. <base>
    12. <basefont>
    13. <bdi>
    14. <bdo>
    15. <bgsound>
    16. <big>
    17. <blink>
    18. <blockquote>
    19. <body>
    20. <br>
    21. <button>
    22. <canvas>
    23. <caption>
    24. <center>
    25. <cite>
    26. <code>
    27. <col>
    28. <colgroup>
    29. <command>
    30. <content>
    31. <data>
    32. <datalist>
    33. <dd>
    34. <del>
    35. <details>
    36. <dfn>
    37. <dialog>
    38. <dir>
    39. <div>
    40. <dl>
    41. <dt>
    42. <element>
    43. <em>
    44. <embed>
    45. <fieldset>
    46. <figcaption>
    47. <figure>
    48. <font>
    49. <footer>
    50. <form>
    51. <frame>
    52. <frameset>
    53. <h1>
    54. <head>
    55. <header>
    56. <hgroup>
    57. <hr>
    58. <html>
    59. <i>
    60. <iframe>
    61. <image>
    62. <img>
    63. <input>
    64. <ins>
    65. <isindex>
    66. <kbd>
    67. <keygen>
    68. <label>
    69. <legend>
    70. <li>
    71. <link>
    72. <listing>
    73. <main>
    74. <map>
    75. <mark>
    76. <marquee>
    77. <menu>
    78. <menuitem>
    79. <meta>
    80. <meter>
    81. <multicol>
    82. <nav>
    83. <nextid>
    84. <nobr>
    85. <noembed>
    86. <noframes>
    87. <noscript>
    88. <object>
    89. <ol>
    90. <optgroup>
    91. <option>
    92. <output>
    93. <p>
    94. <param>
    95. <picture>
    96. <plaintext>
    97. <pre>
    98. <progress>
    99. <q>
    100. <rb>
    101. <rp>
    102. <rt>
    103. <rtc>
    104. <ruby>
    105. <s>
    106. <samp>
    107. <script>
    108. <section>
    109. <select>
    110. <shadow>
    111. <slot>
    112. <small>
    113. <source>
    114. <spacer>
    115. <span>
    116. <strike>
    117. <strong>
    118. <style>
    119. <sub>
    120. <summary>
    121. <sup>
    122. <table>
    123. <tbody>
    124. <td>
    125. <template>
    126. <textarea>
    127. <tfoot>
    128. <th>
    129. <thead>
    130. <time>
    131. <title>
    132. <tr>
    133. <track>
    134. <tt>
    135. <u>
    136. <ul>
    137. <var>
    138. <video>
    139. <wbr>
    140. <xmp>
  8. 全局属性
    1. accesskey
    2. autocapitalize
    3. class
    4. contenteditable
    5. contextmenu
    6. data-*
    7. dir
    8. draggable
    9. dropzone
    10. hidden
    11. id
    12. inputmode
    13. is
    14. itemid
    15. itemprop
    16. itemref
    17. itemscope
    18. itemtype
    19. lang
    20. part
    21. slot
    22. spellcheck
    23. style
    24. tabindex
    25. title
    26. translate
    27. x-ms-acceleratorkey
    28. x-ms-format-detection
  9. <input> 类型
    1. <input type="button">
    2. <input type="checkbox">
    3. <input type="color">
    4. <input type="date">
    5. <input type="datetime">
    6. <input type="datetime-local">
    7. <input type="email">
    8. <input type="file">
    9. <input type="hidden">
    10. <input type="image">
    11. <input type="month">
    12. <input type="number">
    13. <input type="password">
    14. <input type="radio">
    15. <input type="range">
    16. <input type="reset">
    17. <input type="search">
    18. <input type="submit">
    19. <input type="tel">
    20. <input type="text">
    21. <input type="time">
    22. <input type="url">
    23. <input type="week">
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