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author | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:43:23 -0500 |
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committer | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:43:23 -0500 |
commit | 218934fa2ed1c702a6d3923d2aa2cc6b43c48684 (patch) | |
tree | a9ef8ac1e1b8fe4207b6d64d3841bfb8990b6fd0 /files/zh-tw/web/css/media_queries | |
parent | 074785cea106179cb3305637055ab0a009ca74f2 (diff) | |
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initial commit
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-rw-r--r-- | files/zh-tw/web/css/media_queries/index.html | 112 | ||||
-rw-r--r-- | files/zh-tw/web/css/media_queries/testing_media_queries/index.html | 118 |
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diff --git a/files/zh-tw/web/css/media_queries/index.html b/files/zh-tw/web/css/media_queries/index.html new file mode 100644 index 0000000000..41339e07bc --- /dev/null +++ b/files/zh-tw/web/css/media_queries/index.html @@ -0,0 +1,112 @@ +--- +title: Media queries +slug: Web/CSS/Media_Queries +translation_of: Web/CSS/Media_Queries +--- +<div>{{CSSRef}}</div> + +<p><strong>Media Queries</strong> is a module of CSS that defines expressions allowing to tailor presentations to a specific range of output devices without changing the content itself.</p> + +<h2 id="參考">參考</h2> + +<h3 id="At-rules">At-rules</h3> + +<div class="index"> +<ul> + <li>{{cssxref("@import")}}</li> + <li>{{cssxref("@media")}}</li> +</ul> +</div> + +<h2 id="指南">指南</h2> + +<dl> + <dt><a href="/en-US/docs/Web/CSS/Media_Queries/Using_media_queries">Using media queries</a></dt> + <dd>Presents what media queries are doing and explains the possible expressions.</dd> + <dt><a href="/en-US/docs/Web/CSS/Media_Queries/Testing_media_queries">Testing media queries</a></dt> + <dd>Explains how to test a media query programmatically, from JavaScript.</dd> +</dl> + +<h2 id="規範">規範</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('CSS3 Conditional')}}</td> + <td>{{Spec2('CSS3 Conditional')}}</td> + <td> </td> + </tr> + <tr> + <td>{{SpecName('CSS4 Media Queries')}}</td> + <td>{{Spec2('CSS4 Media Queries')}}</td> + <td> </td> + </tr> + <tr> + <td>{{SpecName('CSS3 Media Queries')}}</td> + <td>{{Spec2('CSS3 Media Queries')}}</td> + <td> </td> + </tr> + <tr> + <td>{{SpecName('CSS2.1', 'media.html')}}</td> + <td>{{Spec2('CSS2.1')}}</td> + <td>Initial definition</td> + </tr> + </tbody> +</table> + +<h2 id="瀏覽器相容性">瀏覽器相容性</h2> + +<p>{{CompatibilityTable}}</p> + +<div id="compat-desktop"> +<table class="compat-table"> + <tbody> + <tr> + <th>Feature</th> + <th>Chrome</th> + <th>Firefox (Gecko)</th> + <th>Internet Explorer</th> + <th>Opera</th> + <th>Safari</th> + </tr> + <tr> + <td>Basic support</td> + <td>1.0</td> + <td>{{CompatGeckoDesktop(1.7)}}</td> + <td>9.0</td> + <td>9.2</td> + <td>1.3</td> + </tr> + </tbody> +</table> +</div> + +<div id="compat-mobile"> +<table class="compat-table"> + <tbody> + <tr> + <th>Feature</th> + <th>Android</th> + <th>Firefox Mobile (Gecko)</th> + <th>IE Mobile</th> + <th>Opera Mobile</th> + <th>Safari Mobile</th> + </tr> + <tr> + <td>Basic support</td> + <td>1.0</td> + <td>{{CompatGeckoMobile(1.7)}}</td> + <td>9.0</td> + <td>9.0</td> + <td>3.1</td> + </tr> + </tbody> +</table> +</div> diff --git a/files/zh-tw/web/css/media_queries/testing_media_queries/index.html b/files/zh-tw/web/css/media_queries/testing_media_queries/index.html new file mode 100644 index 0000000000..5c61c6483f --- /dev/null +++ b/files/zh-tw/web/css/media_queries/testing_media_queries/index.html @@ -0,0 +1,118 @@ +--- +title: 測試 media queries +slug: Web/CSS/Media_Queries/Testing_media_queries +translation_of: Web/CSS/Media_Queries/Testing_media_queries +--- +<p>{{SeeCompatTable}}</p> + +<p>DOM 提供了一個用程式去測試 media query 的方法:那就是透過 {{domxref("MediaQueryList") }} 物件;透過 <span style="line-height: 19.0909080505371px;">{{domxref("MediaQueryList") }} 物件上的屬性和方法,我們可以得知、觀察目前 media query 的狀態。</span></p> + +<h2 id="Creating_a_media_query_list" name="Creating_a_media_query_list">創建 media query list 物件</h2> + +<p>透過傳入目標 medai query 到 {{domxref("window.matchMedia") }} 方法,我們將可以取得相對應的 <span style="line-height: 19.0909080505371px;">MediaQueryList 物件。</span></p> + +<p>以下範例將取得偵測螢幕方向的 <span style="line-height: 19.0909080505371px;">MediaQueryList 物件:</span></p> + +<pre>var mql = window.matchMedia("(orientation: portrait)"); +</pre> + +<h2 id="Checking_the_result_of_a_query" name="Checking_the_result_of_a_query">檢查 media query 結果</h2> + +<p>讀取 <span style="line-height: 19.0909080505371px;">MediaQueryList 物件 的 matches 屬性就可以得知測試結果:</span></p> + +<pre class="brush: js">if (mql.matches) { + /* The device is currently in portrait orientation */ +} else { + /* The device is currently in landscape orientation */ +} +</pre> + +<h2 id="Receiving_query_notifications" name="Receiving_query_notifications">接收測試結果通知</h2> + +<p>當我們想要動態依據 media query 測試狀況執行對應處理,除了持續定期偵測外,還有一個更有效率的途徑:那就是註冊 media query 的事件處理器 (listener)。只要呼叫 <span style="line-height: 19.0909080505371px;">MediaQueryList 物件上 addListener 方法,傳入符合</span> {{domxref("MediaQueryListListener") }} 介面的 listener 便完成事件註冊<span style="line-height: 19.0909080505371px;">:</span></p> + +<pre class="brush: js">var mql = window.matchMedia("(orientation: portrait)"); +mql.addListener(handleOrientationChange); +handleOrientationChange(mql); +</pre> + +<p>上面我們替螢幕方向 media query 註冊了一個 listener。請注意,在第一次註冊後,listener 會立刻被呼叫一次,這是為了初始化準備,因為我們可能預設 UI 是針對 'portait' 模式,但目前卻是 'landscape' 模式,所以這個第一次呼叫將給予我們作初始化調整的空間。</p> + +<p><code>下面handleOrientationChange()</code> 方法便是我們針對螢幕方向變化的 listener<span style="line-height: 19.0909080505371px;">:</span></p> + +<pre class="brush: js">function handleOrientationChange(mql) { + if (mql.matches) { + /* The device is currently in portrait orientation */ + } else { + /* The device is currently in landscape orientation */ + } +} +</pre> + +<h2 id="Ending_query_notifications" name="Ending_query_notifications">停止接收測試結果通知</h2> + +<p>當我們不需要接受通知時,只需要呼叫 removeListener 方法,然後傳入欲移除的 listener 即可:</p> + +<pre>mql.removeListener(handleOrientationChange); +</pre> + +<h2 id="Browser_compatibility" name="Browser_compatibility">瀏覽器相容性</h2> + +<p>{{CompatibilityTable}}</p> + +<div id="compat-desktop"> +<table class="compat-table"> + <tbody> + <tr> + <th>Feature</th> + <th>Chrome</th> + <th>Firefox (Gecko)</th> + <th>Internet Explorer</th> + <th>Opera</th> + <th>Safari</th> + </tr> + <tr> + <td>Basic support</td> + <td>9</td> + <td>{{CompatGeckoDesktop("6.0") }}</td> + <td>10</td> + <td>12.1</td> + <td>5.1</td> + </tr> + </tbody> +</table> +</div> + +<div id="compat-mobile"> +<table class="compat-table"> + <tbody> + <tr> + <th>Feature</th> + <th>Android</th> + <th>Firefox Mobile (Gecko)</th> + <th>IE Mobile</th> + <th>Opera Mobile</th> + <th>Safari Mobile</th> + </tr> + <tr> + <td>Basic support</td> + <td>3.0</td> + <td>{{CompatUnknown}}</td> + <td>10</td> + <td>12.1</td> + <td>5</td> + </tr> + </tbody> +</table> +</div> + +<h2 id="See_also" name="See_also"> </h2> + +<h2 id="See_also" name="See_also">延伸閱讀</h2> + +<ul> + <li><a href="/en-US/docs/CSS/Media_queries" title="CSS/Media queries">Media queries</a></li> + <li>{{domxref("window.matchMedia()") }}</li> + <li>{{domxref("MediaQueryList") }}</li> + <li>{{domxref("MediaQueryListListener") }}</li> +</ul> |