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		<id>http://wbex.ru/index.php?action=history&amp;feed=atom&amp;title=JavaScript_Tutorial%2FDevelopment%2Fassert</id>
		<title>JavaScript Tutorial/Development/assert - История изменений</title>
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		<updated>2026-04-04T16:34:19Z</updated>
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	<entry>
		<id>http://wbex.ru/index.php?title=JavaScript_Tutorial/Development/assert&amp;diff=8441&amp;oldid=prev</id>
		<title>Admin: 1 версия</title>
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				<updated>2010-05-26T08:24:18Z</updated>
		
		<summary type="html">&lt;p&gt;1 версия&lt;/p&gt;
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				&lt;td colspan=&quot;1&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Версия 08:24, 26 мая 2010&lt;/td&gt;
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		<author><name>Admin</name></author>	</entry>

	<entry>
		<id>http://wbex.ru/index.php?title=JavaScript_Tutorial/Development/assert&amp;diff=8440&amp;oldid=prev</id>
		<title> в 18:52, 25 мая 2010</title>
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				<updated>2010-05-25T18:52:56Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Новая страница&lt;/b&gt;&lt;/p&gt;&lt;div&gt;== Assert method==&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
   &lt;br /&gt;
  &amp;lt;!-- start source code --&amp;gt;&lt;br /&gt;
   &lt;br /&gt;
    &amp;lt;source lang=&amp;quot;javascript&amp;quot;&amp;gt;&lt;br /&gt;
&amp;lt;html&amp;gt;&lt;br /&gt;
&amp;lt;head&amp;gt;&lt;br /&gt;
&amp;lt;title&amp;gt;Debug Example&amp;lt;/title&amp;gt;&lt;br /&gt;
&amp;lt;script type=&amp;quot;text/javascript&amp;quot;&amp;gt;&lt;br /&gt;
  function assert(bCondition, sErrorMessage) {&lt;br /&gt;
      if (!bCondition) {&lt;br /&gt;
          alert(sErrorMessage);&lt;br /&gt;
          throw new Error(sErrorMessage);&lt;br /&gt;
      }&lt;br /&gt;
  }&lt;br /&gt;
&lt;br /&gt;
  function aFunction(i) {&lt;br /&gt;
      assert(false, &amp;quot;1==2&amp;quot;);&lt;br /&gt;
  }&lt;br /&gt;
  aFunction(1);&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/script&amp;gt;&lt;br /&gt;
&amp;lt;/head&amp;gt;&lt;br /&gt;
&amp;lt;body&amp;gt;&lt;br /&gt;
    &amp;lt;P&amp;gt;This page uses assertions to throw a custom JavaScript error.&amp;lt;/p&amp;gt;&lt;br /&gt;
&amp;lt;/body&amp;gt;&lt;br /&gt;
&amp;lt;/html&amp;gt;&amp;lt;/source&amp;gt;&lt;br /&gt;
    &lt;br /&gt;
   &lt;br /&gt;
&lt;br /&gt;
== Catch exception throwed from assert function==&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
   &lt;br /&gt;
  &amp;lt;!-- start source code --&amp;gt;&lt;br /&gt;
   &lt;br /&gt;
    &amp;lt;source lang=&amp;quot;javascript&amp;quot;&amp;gt;&lt;br /&gt;
&amp;lt;html&amp;gt;&lt;br /&gt;
    &amp;lt;head&amp;gt;&lt;br /&gt;
        &amp;lt;title&amp;gt;Try Catch Example&amp;lt;/title&amp;gt;&lt;br /&gt;
        &amp;lt;script type=&amp;quot;text/javascript&amp;quot;&amp;gt;&lt;br /&gt;
                function assert(bCondition, sErrorMessage) {&lt;br /&gt;
                    if (!bCondition) {&lt;br /&gt;
                        throw new Error(sErrorMessage);&lt;br /&gt;
                    }&lt;br /&gt;
                }&lt;br /&gt;
&lt;br /&gt;
                try {&lt;br /&gt;
                    assert(1 == 2, &amp;quot;Two numbers are required.&amp;quot;);&lt;br /&gt;
                } catch (oException) {&lt;br /&gt;
                    alert(oException.message);      //outputs &amp;quot;Two numbers are required.&amp;quot;&lt;br /&gt;
                }&lt;br /&gt;
        &amp;lt;/script&amp;gt;&lt;br /&gt;
    &amp;lt;/head&amp;gt;&lt;br /&gt;
    &amp;lt;body&amp;gt;&lt;br /&gt;
    &amp;lt;/body&amp;gt;&lt;br /&gt;
&amp;lt;/html&amp;gt;&amp;lt;/source&amp;gt;&lt;/div&gt;</summary>
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