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JavaScript Tutorial/Window/onerror - История изменений
2026-04-04T10:27:57Z
История изменений этой страницы в вики
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http://wbex.ru/index.php?title=JavaScript_Tutorial/Window/onerror&diff=9243&oldid=prev
Admin: 1 версия
2010-05-26T08:24:55Z
<p>1 версия</p>
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<td colspan="1" style="background-color: white; color:black; text-align: center;">Версия 08:24, 26 мая 2010</td>
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Admin
http://wbex.ru/index.php?title=JavaScript_Tutorial/Window/onerror&diff=9242&oldid=prev
в 18:52, 25 мая 2010
2010-05-25T18:52:56Z
<p></p>
<p><b>Новая страница</b></p><div>== Error occurs before the onerror event handler (Error will not be displayed)==<br />
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<!-- start source code --><br />
<br />
<source lang="javascript"><br />
<html><br />
<head><br />
<title>OnError Example</title><br />
<script type="text/javascript"><br />
alert("Syntax error.";<br />
window.onerror = function (sMessage, sUrl, sLine) {<br />
alert("An error occurred:\n" + sMessage + "\nURL: " + sUrl + "\nLine Number: " + sLine);<br />
return true;<br />
}<br />
</script><br />
</head><br />
<body onload="nonExistentFunction()"><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Get error file url==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="javascript"><br />
<html><br />
<head><br />
<title>OnError Example</title><br />
<script type="text/javascript"><br />
window.onerror = function (sMessage, sUrl, sLine) {<br />
alert("An error occurred " + "\nURL: " + sUrl);<br />
return true;<br />
}<br />
</script><br />
</head><br />
<body onload="nonExistentFunction()"><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Get error line number==<br />
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<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="javascript"><br />
<html><br />
<head><br />
<title>OnError Example</title><br />
<script type="text/javascript"><br />
window.onerror = function (sMessage, sUrl, sLine) {<br />
alert("An error occurred " + "\nLine Number: " + sLine);<br />
return true;<br />
}<br />
</script><br />
</head><br />
<body onload="nonExistentFunction()"><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Get error message==<br />
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<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="javascript"><br />
<html><br />
<head><br />
<title>OnError Example</title><br />
<script type="text/javascript"><br />
window.onerror = function (sMessage, sUrl, sLine) {<br />
alert("An error occurred:\n" + sMessage);<br />
return true;<br />
}<br />
</script><br />
</head><br />
<body onload="nonExistentFunction()"><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Return true from window onerror event==<br />
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<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="javascript"><br />
<html><br />
<head><br />
<title>OnError Example</title><br />
<script type="text/javascript"><br />
window.onerror = function () {<br />
alert("An error occurred.");<br />
return true;<br />
}<br />
</script><br />
</head><br />
<body onload="nonExistentFunction()"><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Window on error event==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="javascript"><br />
<html><br />
<head><br />
<title>OnError Example</title><br />
<script type="text/javascript"><br />
window.onerror = function () {<br />
alert("An error occurred.");<br />
}<br />
</script><br />
</head><br />
<body onload="nonExistentFunction()"><br />
</body><br />
</html></source></div>