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Diffstat (limited to 'files/zh-cn/web/javascript/reference/global_objects/isnan')
| -rw-r--r-- | files/zh-cn/web/javascript/reference/global_objects/isnan/index.html | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/files/zh-cn/web/javascript/reference/global_objects/isnan/index.html b/files/zh-cn/web/javascript/reference/global_objects/isnan/index.html index fac7d74714..1e23c1d0e4 100644 --- a/files/zh-cn/web/javascript/reference/global_objects/isnan/index.html +++ b/files/zh-cn/web/javascript/reference/global_objects/isnan/index.html @@ -48,10 +48,10 @@ translation_of: Web/JavaScript/Reference/Global_Objects/isNaN <p>一个<code>isNaN</code>的 polyfill 可以理解为（这个polyfill利用了<code>NaN</code>自身永不相等于自身这一特征 ）：</p> -<pre class="brush: js line-numbers language-js"><code class="language-js">var isNaN = function(value) { +<pre class="brush: js line-numbers language-js">var isNaN = function(value) { var n = Number(value); return n !== n; -};</code></pre> +};</pre> <h2 id="Examples" name="Examples">示例</h2> |