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Diffstat (limited to 'files/vi/web/css/_colon_first-child/index.html')
| -rw-r--r-- | files/vi/web/css/_colon_first-child/index.html | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/files/vi/web/css/_colon_first-child/index.html b/files/vi/web/css/_colon_first-child/index.html new file mode 100644 index 0000000000..b02b008f18 --- /dev/null +++ b/files/vi/web/css/_colon_first-child/index.html @@ -0,0 +1,127 @@ +--- +title: ':first-child' +slug: 'Web/CSS/:first-child' +translation_of: 'Web/CSS/:first-child' +--- +<div>{{CSSRef}}</div> + +<p><strong><code>:first-child</code></strong> <a href="/en-US/docs/Web/CSS">CSS</a> <a href="/en-US/docs/Web/CSS/Pseudo-classes">pseudo-class</a> đại diện cho phần tử đầu tiên trong số các phần tử anh chị em của nó.</p> + +<pre class="brush: css no-line-numbers">/* Chọn thẻ <p> đầu tiên trong số các thẻ anh chị em của nó*/ +p:first-child { + color: lime; +}</pre> + +<div class="note"> +<p><strong>Note</strong>: As originally defined, the selected element had to have a parent. Beginning with Selectors Level 4, this is no longer required.</p> +</div> + +<h2 id="Cú_pháp">Cú pháp</h2> + +<pre class="syntaxbox">{{csssyntax}} +</pre> + +<h2 id="Ví_dụ">Ví dụ</h2> + +<h3 id="Ví_dụ_đơn_giản">Ví dụ đơn giản</h3> + +<h4 id="HTML">HTML</h4> + +<pre class="brush: html"><div> + <p>This text is selected!</p> + <p>This text isn't selected.</p> +</div> + +<div> + <h2>This text isn't selected: it's not a `p`.</h2> + <p>This text isn't selected.</p> +</div> +</pre> + +<h4 id="CSS">CSS</h4> + +<pre class="brush: css">p:first-child { + color: lime; + background-color: black; + padding: 5px; +} +</pre> + +<h4 id="Kết_quả">Kết quả</h4> + +<p><span>{{EmbedLiveSample('Basic_example', 500, 200)}}</span></p> + +<h3 id="Styling_một_danh_sách">Styling một danh sách</h3> + +<h4 id="HTML_2">HTML</h4> + +<pre class="brush: html"><ul> + <li>Item 1</li> + <li>Item 2</li> + <li>Item 3 + <ul> + <li>Item 3.1</li> + <li>Item 3.2</li> + <li>Item 3.3</li> + </ul> + </li> +</ul></pre> + +<h4 id="CSS_2">CSS</h4> + +<pre class="brush: css">ul li { + color: blue; +} + +ul li:first-child { + color: red; + font-weight: bold; +}</pre> + +<h4 id="Result">Result</h4> + +<p>{{EmbedLiveSample('Styling_a_list')}}</p> + +<h2 id="Specifications">Specifications</h2> + +<table class="standard-table"> + <thead> + <tr> + <th scope="col">Specification</th> + <th scope="col">Status</th> + <th scope="col">Comment</th> + </tr> + </thead> + <tbody> + <tr> + <td>{{SpecName('CSS4 Selectors', '#first-child-pseudo', ':first-child')}}</td> + <td>{{Spec2('CSS4 Selectors')}}</td> + <td>Matching elements are not required to have a parent.</td> + </tr> + <tr> + <td>{{SpecName('CSS3 Selectors', '#first-child-pseudo', ':first-child')}}</td> + <td>{{Spec2('CSS3 Selectors')}}</td> + <td>No change.</td> + </tr> + <tr> + <td>{{SpecName('CSS2.1', 'selector.html#first-child', ':first-child')}}</td> + <td>{{Spec2('CSS2.1')}}</td> + <td>Initial definition.</td> + </tr> + </tbody> +</table> + +<h2 id="Khả_năng_tương_thích_của_trình_duyệt">Khả năng tương thích của trình duyệt</h2> + + + +<p>{{Compat("css.selectors.first-child")}}</p> + +<h2 id="Xem_thêm">Xem thêm</h2> + +<ul> + <li>{{CSSxRef(":-moz-first-node")}} {{Non-standard_Inline}}</li> + <li>{{CSSxRef(":first-of-type")}}</li> + <li>{{CSSxRef(":last-child")}}</li> + <li>{{CSSxRef(":nth-child")}}</li> +</ul> |