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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/stylesheetlist | |
| parent | 8b66d724f7caf0157093fb09cfec8fbd0c6ad50a (diff) | |
| download | translated-content-33058f2b292b3a581333bdfb21b8f671898c5060.tar.gz translated-content-33058f2b292b3a581333bdfb21b8f671898c5060.tar.bz2 translated-content-33058f2b292b3a581333bdfb21b8f671898c5060.zip | |
initial commit
Diffstat (limited to 'files/zh-cn/web/api/stylesheetlist')
| -rw-r--r-- | files/zh-cn/web/api/stylesheetlist/index.html | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/files/zh-cn/web/api/stylesheetlist/index.html b/files/zh-cn/web/api/stylesheetlist/index.html new file mode 100644 index 0000000000..88d098c111 --- /dev/null +++ b/files/zh-cn/web/api/stylesheetlist/index.html @@ -0,0 +1,35 @@ +--- +title: StyleSheetList +slug: Web/API/StyleSheetList +translation_of: Web/API/StyleSheetList +--- +<p>{{APIRef("CSSOM")}}</p> + +<p>StyleSheetLists 接口表示一个StyleSheet的列表。</p> + +<p>这是一个像数组一样的对象,但是不能使用数组方法进行遍历。但是它可以通过for循环遍历其下标,或者把它转换成数组。</p> + +<h2 id="Example" name="Example">范例</h2> + +<h3 id="使用for循环获取文档_styleSheet_对象">使用for循环获取文档 <a href="https://developer.mozilla.org/en-US/docs/Web/API/CSSStyleSheet">styleSheet</a> 对象</h3> + +<pre><code>for (var i=0; i < document.styleSheets.length; i++){ + var styleSheet = document.styleSheets[i]; +}</code></pre> + +<h3 id="使用Array方法获取文档的所有CSS规则">使用Array方法获取文档的所有CSS规则</h3> + +<pre><code>var allCSS = + [].slice.call(document.styleSheets) + .reduce(function (prev, styleSheet) { + if (styleSheet.cssRules) { + return prev + + [].slice.call(styleSheet.cssRules) + .reduce(function (prev, cssRule) { + return prev + cssRule.cssText; + }, ''); + } else { + return prev; + } + }, '');</code> +</pre> |
