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Diffstat (limited to 'files/zh-cn/mozilla/javascript_code_modules/timer.jsm/index.html')
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diff --git a/files/zh-cn/mozilla/javascript_code_modules/timer.jsm/index.html b/files/zh-cn/mozilla/javascript_code_modules/timer.jsm/index.html new file mode 100644 index 0000000000..83ae26b154 --- /dev/null +++ b/files/zh-cn/mozilla/javascript_code_modules/timer.jsm/index.html @@ -0,0 +1,33 @@ +--- +title: Timer.jsm +slug: Mozilla/JavaScript_code_modules/Timer.jsm +tags: + - JavaScript + - JavaScript计时器 + - 插件 + - 模块 +translation_of: Mozilla/JavaScript_code_modules/Timer.jsm +--- +<p>{{ gecko_minversion_header("22") }}</p> + +<p>Timer.jsm JavaScript模块包含纯JavaScript对<a href="/en-US/docs/DOM/window.setTimeout" title="/en-US/docs/DOM/window.setTimeout"><code>setTimeout</code></a>、<code><a href="/en-US/docs/DOM/window.clearTimeout" title="/en-US/docs/DOM/window.clearTimeout">clearTimeout</a><font face="Open Sans, Arial, sans-serif">、</font></code><code><a href="/en-US/docs/Web/API/WindowTimers/setInterval">setInterval</a></code>和<a href="/en-US/docs/Web/API/WindowTimers/clearInterval"><code>clearInterval</code></a>功能的实现且适用于DOM窗口函数,但它还可以被那些无法访问DOM窗口的代码(如<a href="/en-US/docs/Mozilla/JavaScript_code_modules" title="/en-US/docs/Mozilla/JavaScript_code_modules">JavaScript模块</a>或<a href="/en-US/docs/The_message_manager" title="/en-US/docs/The_message_manager">框架里的脚本</a>)使用。</p> + +<p> </p> + +<p><code><font face="Open Sans, Arial, sans-serif">要使用</font>Timer.jsm,首先导入它:</code></p> + +<pre class="brush: js">Components.utils.import("resource://gre/modules/Timer.jsm"); +</pre> + +<p>然后如同在DOM窗口中一样使用setTimeout和clearTimeout,例如:</p> + +<pre class="brush: js">let timeoutID = setTimeout(function() { console.log("Hello!"); }, 500); + +clearTimeout(timeoutID); +</pre> + +<p>类似地,你可以使用<code>setInterval和</code><code>clearInterval,比如:</code></p> + +<pre class="brush: js">let intervalID = setInterval(function() { console.log("Happening every 500ms!"); }, 500); + +clearInterval(intervalID);</pre> |
