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Diffstat (limited to 'files/ja/web/javascript/reference/errors/property_access_denied')
| -rw-r--r-- | files/ja/web/javascript/reference/errors/property_access_denied/index.html | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/files/ja/web/javascript/reference/errors/property_access_denied/index.html b/files/ja/web/javascript/reference/errors/property_access_denied/index.html new file mode 100644 index 0000000000..30015bdc4f --- /dev/null +++ b/files/ja/web/javascript/reference/errors/property_access_denied/index.html @@ -0,0 +1,51 @@ +--- +title: 'Error: Permission denied to access property "x"' +slug: Web/JavaScript/Reference/Errors/Property_access_denied +tags: + - Error + - Errors + - JavaScript + - Security +translation_of: Web/JavaScript/Reference/Errors/Property_access_denied +--- +<div>{{jsSidebar("Errors")}}</div> + +<p>JavaScript の例外 "Permission denied to access property" は、権限がない状態でオブジェクトへのアクセスの試行があった場合に発生します。</p> + +<h2 id="Message" name="Message">メッセージ</h2> + +<pre class="syntaxbox notranslate">Error: Permission denied to access property "x" +</pre> + +<h2 id="Error_type" name="Error_type">エラー種別</h2> + +<p>{{jsxref("Error")}}</p> + +<h2 id="What_went_wrong" name="What_went_wrong">原因</h2> + +<p>権限がない状態でオブジェクトへのアクセスの試行がありました。これは異なるドメインから読み込んだ {{HTMLElement("iframe")}} 要素が<a href="/ja/docs/Web/Security/Same-origin_policy">同一オリジンポリシー</a>に違反する場合などです。</p> + +<h2 id="Examples" name="Examples">例</h2> + +<h3 id="No_permission_to_access_document" name="No_permission_to_access_document">文書にアクセスする権限がない</h3> + +<pre class="brush: html notranslate"><!DOCTYPE html> +<html> + <head> + <iframe id="myframe" src="http://www1.w3c-test.org/common/blank.html"></iframe> + <script> + onload = function() { + console.log(frames[0].document); + // Error: Permission denied to access property "document" + } + </script> + </head> + <body></body> +</html></pre> + +<h2 id="See_also" name="See_also">関連情報</h2> + +<ul> + <li>{{HTMLElement("iframe")}}</li> + <li><a href="/ja/docs/Web/Security/Same-origin_policy">同一オリジンポリシー</a></li> +</ul> |