diff options
Diffstat (limited to 'files/zh-tw/web/api/cssstylesheet')
| -rw-r--r-- | files/zh-tw/web/api/cssstylesheet/index.html | 187 | ||||
| -rw-r--r-- | files/zh-tw/web/api/cssstylesheet/insertrule/index.html | 219 |
2 files changed, 406 insertions, 0 deletions
diff --git a/files/zh-tw/web/api/cssstylesheet/index.html b/files/zh-tw/web/api/cssstylesheet/index.html new file mode 100644 index 0000000000..01abf1a942 --- /dev/null +++ b/files/zh-tw/web/api/cssstylesheet/index.html @@ -0,0 +1,187 @@ +--- +title: CSSStyleSheet +slug: Web/API/CSSStyleSheet +tags: + - API + - CSSOM + - NeedsTranslation + - Reference + - TopicStub +translation_of: Web/API/CSSStyleSheet +--- +<div>{{APIRef("CSSOM")}}</div> + +<p>The <strong><code>CSSStyleSheet</code></strong> interface represents a single <a href="/en-US/docs/Web/CSS">CSS</a> style sheet. It inherits properties and methods from its parent, {{domxref("StyleSheet")}}.</p> + +<p>A style sheet consists of <em>{{domxref("CSSRule", "rules", "", 1)}}</em>, such as <em>{{domxref("CSSStyleRule", "style rules", "", 1)}}</em><em> </em>("<code>h1,h2 { font-size: 16pt }"</code>), various <em>at-rules</em> (<code>@import</code>, <code>@media</code>, ...), etc. This interface lets you inspect and modify the list of rules in the stylesheet.</p> + +<p>See the {{anch("Notes")}} section for the various ways a CSSStyleSheet object can be obtained.</p> + +<h2 id="Properties">Properties</h2> + +<p><em>Inherits properties from its parent, {{domxref("StyleSheet")}}.</em></p> + +<dl> + <dt id="cssRules">{{domxref("CSSStyleSheet.cssRules")}}</dt> + <dd>Returns a live {{domxref("CSSRuleList")}}, listing the {{domxref("CSSRule")}} objects in the style sheet.<br> + This is normally used to access individual rules like this:<br> + <code> styleSheet.cssRules[i] // where i = 0..cssRules.length-1</code><br> + To add or remove items in <code>cssRules</code>, use the <code>CSSStyleSheet</code>'s <code>deleteRule()</code> and <code>insertRule()</code> methods, described below.</dd> + <dt id="ownerRule">{{domxref("CSSStyleSheet.ownerRule")}}</dt> + <dd>If this style sheet is imported into the document using an {{cssxref("@import")}} rule, the <code>ownerRule</code> property will return that {{domxref("CSSImportRule")}}, otherwise it returns <code>null</code>.</dd> +</dl> + +<h2 id="Methods">Methods</h2> + +<p><em>Inherits methods from its parent, {{domxref("Stylesheet")}}.</em></p> + +<dl> + <dt id="deleteRule">{{domxref("CSSStyleSheet.deleteRule()")}}</dt> + <dd>Deletes a rule at the specified position from the style sheet.</dd> + <dt id="insertRule">{{domxref("CSSStyleSheet.insertRule()")}}</dt> + <dd>Inserts a new rule at the specified position in the style sheet, given the textual representation of the rule.</dd> +</dl> + +<h2 id="Notes">Notes</h2> + +<p>In some browsers, if a stylesheet is loaded from a different domain, calling <code>cssRules</code> results in <code>SecurityError</code>.</p> + +<p>A stylesheet is associated with at most one {{domxref("Document")}}, which it applies to (unless {{domxref("StyleSheet.disabled", "disabled", "", 1)}}). A list of <code>CSSStyleSheet</code> objects for a given document can be obtained using the {{domxref("document.styleSheets")}} property. A specific style sheet can also be accessed from its <em>owner</em> object (<code>Node</code> or <code>CSSImportRule</code>), if any.</p> + +<p>A <code>CSSStyleSheet</code> object is created and inserted into the document's <code>styleSheets</code> list automatically by the browser, when a style sheet is loaded for a document. As the {{domxref("document.styleSheets")}} list cannot be modified directly, there's no useful way to create a new <code>CSSStyleSheet</code> object manually (although <a href="http://tabatkins.github.io/specs/construct-stylesheets/">Constructable Stylesheet Objects</a> might get added to the Web APIs at some point). To create a new stylesheet, insert a {{HTMLElement("style")}} or {{HTMLElement("link")}} element into the document.</p> + +<p>A (possibly incomplete) list of ways a style sheet can be associated with a document follows:</p> + +<table class="standard-table"> + <thead> + <tr> + <th scope="col">Reason for the style sheet to be associated with the document</th> + <th scope="col">Appears in <code>document.<br> + styleSheets</code> list</th> + <th scope="col">Getting the owner element/rule given the style sheet object</th> + <th scope="col">The interface for the owner object</th> + <th scope="col">Getting the CSSStyleSheet object from the owner</th> + </tr> + </thead> + <tbody> + <tr> + <td>{{HTMLElement("style")}} and {{HTMLElement("link")}} elements in the document</td> + <td>Yes</td> + <td>{{domxref("StyleSheet.ownerNode", ".ownerNode")}}</td> + <td>{{domxref("HTMLLinkElement")}},<br> + {{domxref("HTMLStyleElement")}},<br> + or {{domxref("SVGStyleElement")}}</td> + <td>{{domxref("LinkStyle.sheet", ".sheet")}}</td> + </tr> + <tr> + <td>CSS {{cssxref("@import")}} rule in other style sheets applied to the document</td> + <td>Yes</td> + <td>{{domxref("CSSStyleSheet.ownerRule", ".ownerRule")}}</td> + <td>{{domxref("CSSImportRule")}}</td> + <td>{{domxref("CSSImportRule.styleSheet", ".styleSheet")}}</td> + </tr> + <tr> + <td><code><?xml-stylesheet ?></code> processing instruction in the (non-HTML) document</td> + <td>Yes</td> + <td>{{domxref("StyleSheet.ownerNode", ".ownerNode")}}</td> + <td>{{domxref("ProcessingInstruction")}}</td> + <td>{{domxref("LinkStyle.sheet", ".sheet")}}</td> + </tr> + <tr> + <td>HTTP Link Header</td> + <td>Yes</td> + <td><em>N/A</em></td> + <td>N/A</td> + <td>N/A</td> + </tr> + <tr> + <td>User agent (default) style sheets</td> + <td>No</td> + <td>N/A</td> + <td>N/A</td> + <td>N/A</td> + </tr> + </tbody> +</table> + +<h2 id="Specifications">Specifications</h2> + +<table class="standard-table"> + <tbody> + <tr> + <th>Specification</th> + <th>Status</th> + <th>Comment</th> + </tr> + <tr> + <td>{{SpecName("CSSOM", "#cssstylesheet", 'CSSStyleSheet')}}</td> + <td>{{Spec2("CSSOM")}}</td> + <td> </td> + </tr> + <tr> + <td>{{SpecName("DOM2 Style", "css.html#CSS-CSSStyleSheet", "CSSStyleSheet")}}</td> + <td>{{Spec2("DOM2 Style")}}</td> + <td>Initial definition</td> + </tr> + </tbody> +</table> + +<h2 id="Browser_compatibility">Browser compatibility</h2> + +<p>{{CompatibilityTable}}</p> + +<div id="compat-desktop"> +<table class="compat-table"> + <tbody> + <tr> + <th>Feature</th> + <th>Chrome</th> + <th>Edge</th> + <th>Firefox (Gecko)</th> + <th>Internet Explorer</th> + <th>Opera</th> + <th>Safari (WebKit)</th> + </tr> + <tr> + <td>Basic support</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>9.0</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + </tr> + </tbody> +</table> +</div> + +<div id="compat-mobile"> +<table class="compat-table"> + <tbody> + <tr> + <th>Feature</th> + <th>Android</th> + <th>Edge</th> + <th>Firefox Mobile (Gecko)</th> + <th>IE Phone</th> + <th>Opera Mobile</th> + <th>Safari Mobile</th> + </tr> + <tr> + <td>Basic support</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + </tr> + </tbody> +</table> +</div> + +<h2 id="See_also">See also</h2> + +<ul> + <li><a href="/en-US/docs/Web/API/CSS_Object_Model/Using_dynamic_styling_information">Using dynamic styling information</a></li> +</ul> diff --git a/files/zh-tw/web/api/cssstylesheet/insertrule/index.html b/files/zh-tw/web/api/cssstylesheet/insertrule/index.html new file mode 100644 index 0000000000..3cd8ba5a87 --- /dev/null +++ b/files/zh-tw/web/api/cssstylesheet/insertrule/index.html @@ -0,0 +1,219 @@ +--- +title: CSSStyleSheet.insertRule() +slug: Web/API/CSSStyleSheet/insertRule +translation_of: Web/API/CSSStyleSheet/insertRule +--- +<div>{{APIRef("CSSOM")}} </div> + +<p><strong>CSSStyleSheet.insertRule() </strong>方法新增一個新的 CSS 規則，到當前的樣式表，他伴隨著一些<a href="#Restrictions">限制</a>. </p> + +<p>更明確的說，雖然 <strong>insertRule()</strong> 只是一個 {{domxref("CSSStyleSheet")}} 的方法， 他實際上插入這份規則到 {{domxref("CSSStyleSheet")}}.<em>cssRules</em>, 在 {{domxref("CSSRuleList")}} 之中。</p> + +<p>這份規則，必須包含的內容，取決於它的類型： 對於規則集 (rule-sets)，規則同時指定了選擇器和样式聲明。 對於規則 (at-rules)，規則同時指定 at 標識符（ at-identifier ）和規則內容。</p> + +<h2 id="Syntax"><em><em>Syntax</em></em></h2> + +<pre class="syntaxbox"><em> +<em> +<var>stylesheet</var>.insertRule(<var>rule</var>[, <var>index</var>])</em></em></pre> + +<h3 id="Parameters"><em><em>Parameters</em></em></h3> + +<dl> + <dt><em><em>rule</em></em></dt> + <dd><em><em>一個 {{domxref("DOMString")}} 包含要被插入的規則，這份規則同時指定了選擇器（ <a href="/en-US/docs/Web/Guide/CSS/Getting_Started/Selectors">selector</a> ）和样式聲明，或 at 標識符 (at-identifier ) 和規則內容。</em></em></dd> + <dt><em><em>index {{optional_inline}}</em></em></dt> + <dd> + <p><em><em>無符號整數，代表在 <em><em>{{domxref("CSSStyleSheet")}}<em>.</em>cssRules </em></em>中插入的位置，其中 index-0 是第一個規則，而 index-max 就是最後一個規則，並且與 CSSStyleSheet 的長度相同。cssRules 在舊的實現中是必需的。查詢「瀏覽器兼容」取得詳細信息。 默認值為 0。</em></em></p> + </dd> +</dl> + +<h3 id="Return_value"><em><em><em><em>Return value</em></em></em></em></h3> + +<p><em><em><em><em>The index within the style sheet's rule-list of the newly inserted rule.</em></em></em></em></p> + +<h3 id="Restrictions_限制"><em><em><em><em>Restrictions 限制</em></em></em></em></h3> + +<p><em><em>CSS 樣式表規則列表，有一些直覺的、和不是那麼直覺的<a href="https://drafts.csswg.org/cssom/#insert-a-css-rule">限制</a> ，影響著規則的插入方式和位置。<br> + 違反這些可能會導致 DOM 異常 ({{domxref("DOMException")}}) 引發錯誤。</em></em></p> + +<ul> + <li><em><em><em><em>如果 index > 樣式表中規則數量 (`CSSRuleList.length`)，他會中止，顯示 IndexSizeError (索引大小錯誤)。</em></em></em></em></li> + <li><em><em><em><em>如果 rule 無法在索引 0 插入，因為一些 CSS 因素的限制，他會中止，顯示 HierarchyRequestError (層次結構請求錯誤)。</em></em></em></em></li> + <li><em><em><em><em>如果規則參數中給出多個規則，他會中止，顯示 SyntaxError (語法錯誤)。</em></em></em></em></li> + <li><em><em><em><em>如果嘗試在樣式規則之後插入 `@import at-rule`，他會中止，顯示 HierarchyRequestError (層次結構請求錯誤)。</em></em></em></em></li> + <li><em><em><em><em>如果規則是 `@namespace at-rule`，且列表不只有 `@import at-rules` 和 / 或 `@namespace at-rules`他會中止，顯示 InvalidStateError (狀態錯誤無效)。</em></em></em></em></li> +</ul> + +<h2 id="Examples">Examples</h2> + +<h3 id="Example_1">Example 1</h3> + +<pre class="brush: js">// push a new rule onto the top of my stylesheet +myStyle.insertRule("#blanc { color: white }", 0); +</pre> + +<h3 id="Example_2">Example 2</h3> + +<pre class="brush: js">/** + * Add a stylesheet rule to the document (may be better practice, however, + * to dynamically change classes, so style information can be kept in + * genuine stylesheets (and avoid adding extra elements to the DOM)) + * Note that an array is needed for declarations and rules since ECMAScript does + * not afford a predictable object iteration order and since CSS is + * order-dependent (i.e., it is cascading); those without need of + * cascading rules could build a more accessor-friendly object-based API. + * @param {Array} rules Accepts an array of JSON-encoded declarations + * @example +addStylesheetRules([ + ['h2', // Also accepts a second argument as an array of arrays instead + ['color', 'red'], + ['background-color', 'green', true] // 'true' for !important rules + ], + ['.myClass', + ['background-color', 'yellow'] + ] +]); + */ +function addStylesheetRules (rules) { + var styleEl = document.createElement('style'), + styleSheet; + + // Append style element to head + document.head.appendChild(styleEl); + + // Grab style sheet + styleSheet = styleEl.sheet; + + for (var i = 0, rl = rules.length; i < rl; i++) { + var j = 1, rule = rules[i], selector = rules[i][0], propStr = ''; + // If the second argument of a rule is an array of arrays, correct our variables. + if (Object.prototype.toString.call(rule[1][0]) === '[object Array]') { + rule = rule[1]; + j = 0; + } + + for (var pl = rule.length; j < pl; j++) { + var prop = rule[j]; + propStr += prop[0] + ':' + prop[1] + (prop[2] ? ' !important' : '') + ';\n'; + } + + // Insert CSS Rule + styleSheet.insertRule(selector + '{' + propStr + '}', styleSheet.cssRules.length); + } +}</pre> + +<h2 id="Specifications">Specifications</h2> + +<table class="standard-table"> + <tbody> + <tr> + <th scope="col">Specification</th> + <th scope="col">Status</th> + <th scope="col">Comment</th> + </tr> + <tr> + <td>{{SpecName('CSSOM', '#dom-cssstylesheet-insertrule', 'CSSStyleSheet.insertRule')}}</td> + <td>{{Spec2('CSSOM')}}</td> + <td>No change from {{SpecName('DOM2 Style')}}.</td> + </tr> + <tr> + <td>{{SpecName('DOM2 Style', 'css.html#CSS-CSSStyleSheet-insertRule', 'CSSStyleSheet.insertRule')}}</td> + <td>{{Spec2('DOM2 Style')}}</td> + <td>Initial definition</td> + </tr> + </tbody> +</table> + +<h2 id="Browser_compatibility">Browser compatibility</h2> + +<p>{{CompatibilityTable}}</p> + +<div id="compat-desktop"> +<table class="compat-table"> + <tbody> + <tr> + <th>Feature</th> + <th>Chrome</th> + <th>Edge</th> + <th>Firefox (Gecko)</th> + <th>Internet Explorer</th> + <th>Opera</th> + <th>Safari</th> + </tr> + <tr> + <td>Basic support</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>9</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + </tr> + <tr> + <td><code>index</code> is optional</td> + <td>{{CompatChrome(60)}}</td> + <td>{{CompatUnknown}}</td> + <td>{{CompatUnknown}}</td> + <td>{{CompatUnknown}}</td> + <td>{{CompatOpera(47)}}</td> + <td>{{CompatUnknown}}</td> + </tr> + </tbody> +</table> +</div> + +<div id="compat-mobile"> +<table class="compat-table"> + <tbody> + <tr> + <th>Feature</th> + <th>Android Webview</th> + <th>Chrome for Android</th> + <th>Edge</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>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + </tr> + <tr> + <td><code>index</code> is optional</td> + <td>{{CompatChrome(60)}}</td> + <td>{{CompatChrome(60)}}</td> + <td>{{CompatUnknown}}</td> + <td>{{CompatUnknown}}</td> + <td>{{CompatUnknown}}</td> + <td>{{CompatOperaMobile(47)}}</td> + <td>{{CompatUnknown}}</td> + </tr> + </tbody> +</table> +</div> + +<h3 id="Legacy_browser_support">Legacy browser support</h3> + +<ul> + <li> + <h4 id="Internet_Explorer_-_pre_v9"><strong>Internet Explorer - pre v9</strong></h4> + <strong>addRule</strong>(<var>selector</var>, <var>rule</var> [, <var>index</var>]); -- Example:<code> addRule('pre', 'font: 14px verdana'); // add rule at end</code><br> + <br> + <em>Also note the non-standard <code><a class="external" href="http://www.quirksmode.org/dom/w3c_css.html#change">removeRule()</a> </code> and <code><a class="external" href="http://www.quirksmode.org/dom/w3c_css.html#access">.rules</a> </code> instead of {{domxref("CSSStyleSheet.deleteRule","deleteRule()")}} and {{domxref("CSSStyleSheet",".cssRules")}} respectively.</em></li> +</ul> + +<h2 id="See_also">See also</h2> + +<ul> + <li>{{domxref("CSSStyleSheet.deleteRule")}}</li> + <li><a class="external" href="http://www-archive.mozilla.org/docs/web-developer/css1technote/css1tojs.html#priority">Cross-Browser CSS-rules ordering (CSS1)</a></li> + <li><a class="external" href="http://www.quirksmode.org/dom/w3c_css.html">Quirksmode - CSS</a></li> +</ul> |