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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/javascript/reference/errors/no_properties/index.html | |
parent | 8b66d724f7caf0157093fb09cfec8fbd0c6ad50a (diff) | |
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diff --git a/files/zh-cn/web/javascript/reference/errors/no_properties/index.html b/files/zh-cn/web/javascript/reference/errors/no_properties/index.html new file mode 100644 index 0000000000..5e904dd8ab --- /dev/null +++ b/files/zh-cn/web/javascript/reference/errors/no_properties/index.html @@ -0,0 +1,36 @@ +--- +title: 'TypeError: "x" has no properties' +slug: Web/JavaScript/Reference/Errors/No_properties +translation_of: Web/JavaScript/Reference/Errors/No_properties +--- +<div>{{jsSidebar("Errors")}}</div> + +<h2 id="错误信息">错误信息</h2> + +<pre class="syntaxbox">TypeError: null has no properties +TypeError: undefined has no properties +</pre> + +<h2 id="错误类型">错误类型</h2> + +<p>{{jsxref("TypeError")}}.</p> + +<h2 id="哪里出错了">哪里出错了?</h2> + +<p> {{jsxref("null")}} 和 {{jsxref("undefined")}}中,没有你需要的属性。</p> + +<h2 id="例子">例子</h2> + +<pre class="brush: js example-bad">null.foo; +// 错误类型: null没有这个属性 + +undefined.bar; +// 错误类型: undefined没有这个属性 +</pre> + +<h2 id="参考">参考</h2> + +<ul> + <li>{{jsxref("null")}}</li> + <li>{{jsxref("undefined")}}</li> +</ul> |