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author | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:40:17 -0500 |
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committer | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:40:17 -0500 |
commit | 33058f2b292b3a581333bdfb21b8f671898c5060 (patch) | |
tree | 51c3e392513ec574331b2d3f85c394445ea803c6 /files/zh-cn/web/api/htmlelement/tabindex | |
parent | 8b66d724f7caf0157093fb09cfec8fbd0c6ad50a (diff) | |
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initial commit
Diffstat (limited to 'files/zh-cn/web/api/htmlelement/tabindex')
-rw-r--r-- | files/zh-cn/web/api/htmlelement/tabindex/index.html | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/files/zh-cn/web/api/htmlelement/tabindex/index.html b/files/zh-cn/web/api/htmlelement/tabindex/index.html new file mode 100644 index 0000000000..516c659c2a --- /dev/null +++ b/files/zh-cn/web/api/htmlelement/tabindex/index.html @@ -0,0 +1,49 @@ +--- +title: HTMLElement.tabIndex +slug: Web/API/HTMLElement/tabIndex +translation_of: Web/API/HTMLOrForeignElement/tabIndex +--- +<div> +<div>{{ APIRef("HTML DOM") }}</div> +</div> + +<h3 id="Summary" name="Summary">概述</h3> + +<p>获取或设置当前元素的tab键激活顺序.</p> + +<h3 id="Syntax" name="Syntax">语法</h3> + +<pre class="eval">element.tabIndex = <em>index </em><em>index </em>= element.tabIndex +</pre> + +<h3 id="Parameters" name="Parameters">参数</h3> + +<ul> + <li><code>index</code>是一个数字,表示顺序。取值需要在0到32767之间。</li> +</ul> + +<p>Tab键的遍历顺序是这样的:</p> + +<ol> + <li>对于tabIndex值为正数的元素,如果多个元素的tabIndex值相同,则以他们出现在字符流中的次序来遍历;否则按tabIndex值由小到大的顺序来遍历。</li> + <li>对于不支持tabIndex属性或支持tabIndex属性并将其赋值为0的元素,按照他们出现在字符流中的次序来遍历。</li> + <li>处于不可用状态的元素不会被遍历到。</li> +</ol> + +<p>支持tabIndex属性的元素有:a,area,button,input,object,select和textarea<font face="monospace" size="3"><span style="line-height: 19.5px;">。</span></font></p> + +<p>tabIndex的值不需要是连续的,也不需要以某个特定值开始。</p> + +<h3 id="Example" name="Example">例子</h3> + +<pre>var b1 = document.getElementById("button1"); +b1.tabIndex = 1; +</pre> + +<h3 id="Specification" name="Specification">规范</h3> + +<p><a class="external" href="http://www.w3.org/TR/DOM-Level-2-HTML/html.html#ID-40676705">W3C DOM Level 2 HTML tabIndex</a></p> + +<p>了解更多,请查看: <a href="/zh-cn/Key-navigable_custom_DHTML_widgets#The_solution:_changes_to_standard_behavior_of_tabindex" title="zh-cn/Key-navigable_custom_DHTML_widgets#The_solution:_changes_to_standard_behavior_of_tabindex">The solution: changes to standard behavior of tabindex</a></p> + +<p>{{ languages( { "ja": "ja/DOM/element.tabIndex", "fr": "fr/DOM/element.tabIndex", "pl": "pl/DOM/element.tabIndex" , "en": "en/DOM/element.tabIndex" } ) }}</p> |