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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/css/number | |
parent | 8b66d724f7caf0157093fb09cfec8fbd0c6ad50a (diff) | |
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diff --git a/files/zh-cn/web/css/number/index.html b/files/zh-cn/web/css/number/index.html new file mode 100644 index 0000000000..ab51b9d680 --- /dev/null +++ b/files/zh-cn/web/css/number/index.html @@ -0,0 +1,132 @@ +--- +title: <number> +slug: Web/CSS/number +tags: + - CSS数据类型 + - 布局 +translation_of: Web/CSS/number +--- +<div>{{CSSRef}}</div> + +<h2 id="Summary" name="Summary">语法</h2> + +<p><code><数字></code> <a href="/en-US/docs/CSS" title="CSS">CSS</a> 数据类型代表一个数字,可为整数或小数。它的语法扩展了{{cssxref("<integer>")}}的数据值。要表示一个小数则加上小数部分 -- “."后跟一或多为十进制数字--到任何{{cssxref("<integer>")}}数据值。像{{cssxref("<integer>")}}数据类型一样,<span style="font-family: consolas,monaco,andale mono,monospace;"><number>没有任何单位,并不是一个CSS尺寸。</span></p> + +<h2 id="Interpolation" name="Interpolation">插值</h2> + +<p> <code><number></code> CSS数据类型的值可以被插值,用于动画。这种情况下,它们的插值是浮点实数。插值的速度取决于动画的 <a href="/en-US/docs/CSS/timing-function" title="timing-function">timing function</a>。</p> + +<h2 id="Examples" name="Examples">示例</h2> + +<p>合法值示例:</p> + +<pre class="notranslate">12 A raw <a href="/en-US/docs/CSS/integer" title="integer"><integer></a> is also a <number> +4.01 正非整 <数字> +-456.8 负非整 <数字> +0.0 零 ++0.0 带正号的零 +-0.0 带负号的零(尽管奇怪,但合法) +.60 点前的数字可以省略 +<span style="line-height: normal;">10e3 科学计数法</span> +-3.4e-2 科学计数法最复杂的情况 +</pre> + +<p>非法值示例:</p> + +<pre class="notranslate">12. 点后需有数字 ++-12.2 只能有一个符号 +12.1.1 只能有一个点 +</pre> + +<h2 id="Specifications" name="Specifications">规范</h2> + +<table class="standard-table"> + <thead> + <tr> + <th scope="col">规范</th> + <th scope="col">状态</th> + <th scope="col">注释</th> + </tr> + </thead> + <tbody> + <tr> + <td>{{SpecName('CSS3 Values', '#numbers', '<number>')}}</td> + <td>{{Spec2('CSS3 Values')}}</td> + <td>与CSS Level 2 (Revision 1)没有明显变化</td> + </tr> + <tr> + <td>{{SpecName('CSS2.1', 'syndata.html#numbers', '<number>')}}</td> + <td>{{Spec2('CSS2.1')}}</td> + <td>Explicitly defined</td> + </tr> + <tr> + <td>{{SpecName('CSS1', '', '<number>')}}</td> + <td>{{Spec2('CSS1')}}</td> + <td>Implicitly defined</td> + </tr> + </tbody> +</table> + +<h2 id="Browser_compatibility" name="Browser_compatibility">浏览器兼容性</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 (WebKit)</th> + </tr> + <tr> + <td>basic</td> + <td>1.0</td> + <td>1.0 (1.0)</td> + <td><=5.0</td> + <td>yes</td> + <td>1.0 (85)</td> + </tr> + <tr> + <td>Scientific notation</td> + <td>?</td> + <td>29</td> + <td>11</td> + <td>?</td> + <td>?</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 Phone</th> + <th>Opera Mobile</th> + <th>Safari Mobile</th> + </tr> + <tr> + <td>Basic support</td> + <td>yes</td> + <td>yes</td> + <td>yes</td> + <td>yes</td> + <td>yes</td> + </tr> + </tbody> +</table> +</div> + +<h2 id="See_also" name="See_also">参见</h2> + +<ul> + <li><a href="/en-US/docs/CSS/CSS_Reference" title="CSS Reference">CSS Reference</a> index</li> +</ul> |