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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/api/document/onbeforescriptexecute | |
parent | 8b66d724f7caf0157093fb09cfec8fbd0c6ad50a (diff) | |
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diff --git a/files/zh-cn/web/api/document/onbeforescriptexecute/index.html b/files/zh-cn/web/api/document/onbeforescriptexecute/index.html new file mode 100644 index 0000000000..966e866969 --- /dev/null +++ b/files/zh-cn/web/api/document/onbeforescriptexecute/index.html @@ -0,0 +1,44 @@ +--- +title: element.onbeforescriptexecute +slug: Web/API/Document/onbeforescriptexecute +tags: + - DOM + - onbeforescriptexecute +translation_of: Web/API/Document/onbeforescriptexecute +--- +<div>{{ApiRef}}{{gecko_minversion_header("2")}}</div> + +<h2 id="概述">概述</h2> + +<p>当HTML文档中的<code><a class="new" href="../HTML/Element/script" title="<script>"><script></a></code>标签内的代码将要执行时触发该事件,如果这个<code>script</code>标签是用<code>appendChild()</code>等方法动态添加上去的,则不会触发该事件.</p> + +<h2 id="语法">语法</h2> + +<pre class="syntaxbox"><em>document.onbeforescriptexecute = funcRef;</em> +</pre> + +<p>当<code>beforescriptexecute</code>事件触发时,<code>funcRef</code>函数就会被调用. 传入参数<code>event</code>的<code>target</code>属性指向触发该事件的那个<code>script</code>元素.</p> + +<h2 id="例子">例子</h2> + +<pre class="brush: js">function starting(e) { + logMessage("Starting script with ID: " + e.target.id); +} + +document.addEventListener("beforescriptexecute", starting, true); +</pre> + +<p><a href="/samples/html/currentScript.html">查看在线演示</a></p> + +<h2 id="规范">规范</h2> + +<ul> + <li><a href="http://www.whatwg.org/specs/web-apps/current-work/#the-script-element" title="http://www.whatwg.org/specs/web-apps/current-work/#the-script-element">HTML5</a></li> +</ul> + +<h2 id="相关链接">相关链接</h2> + +<ul> + <li>{{domxref("element.onafterscriptexecute")}}</li> + <li>{{domxref("document.currentScript")}}</li> +</ul> |