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Diffstat (limited to 'files/zh-cn/web/javascript/reference/global_objects/isfinite')
| -rw-r--r-- | files/zh-cn/web/javascript/reference/global_objects/isfinite/index.html | 26 |
1 files changed, 3 insertions, 23 deletions
diff --git a/files/zh-cn/web/javascript/reference/global_objects/isfinite/index.html b/files/zh-cn/web/javascript/reference/global_objects/isfinite/index.html index f033320715..d57fd1cf34 100644 --- a/files/zh-cn/web/javascript/reference/global_objects/isfinite/index.html +++ b/files/zh-cn/web/javascript/reference/global_objects/isfinite/index.html @@ -14,7 +14,7 @@ translation_of: Web/JavaScript/Reference/Global_Objects/isFinite <h2 id="语法">语法</h2> -<pre class="syntaxbox language-html">isFinite(<em>testValue</em>)</pre> +<pre class="brush: js">isFinite(<em>testValue</em>)</pre> <h3 id="Parameters">参数</h3> @@ -25,15 +25,13 @@ translation_of: Web/JavaScript/Reference/Global_Objects/isFinite <h3 id="Description">描述</h3> -<dl> - <dd>isFinite 是全局的方法，不与任何对象有关系。</dd> -</dl> +<p>isFinite 是全局的方法，不与任何对象有关系。</p> <p>你可以用这个方法来判定一个数字是否是有限数字。<code>isFinite</code> 方法检测它参数的数值。如果参数是 <code>NaN</code>，正无穷大或者负无穷大，会返回<code>false</code>，其他返回 <code>true</code>。</p> <h2 id="Examples">示例</h2> -<pre class="brush: js language-js">isFinite(Infinity); // false +<pre class="brush: js">isFinite(Infinity); // false isFinite(NaN); // false isFinite(-Infinity); // false @@ -43,24 +41,6 @@ isFinite(2e64); // true, 在更强壮的Number.isFinite(null)中将会得 isFinite("0"); // true, 在更强壮的Number.isFinite('0')中将会得到false</pre> -<div class="line-number"> </div> - -<div class="line-number"> </div> - -<div class="line-number"> </div> - -<div class="line-number"> </div> - -<div class="line-number"> </div> - -<div class="line-number"> </div> - -<div class="line-number"> </div> - -<div class="line-number"> </div> - -<div class="line-number"> </div> - <h2 id="规范">规范</h2> <table class="standard-table"> |