JavaScript

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�� - JavaScript

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10: �� - DOM
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�� 4

�� 12: �� .

�� HTML �� : ()announceTime. �� - announceTime �� , �� :

<a href="#" onClick="announceTime();">time!</a>

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<a href="#" onClick="alert('Hello!');">Hello!</a>

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�� . �� , �� - HTML. �� :


<html>
<head>
<title>Function with No Parameters</title>

<script langauge="JavaScript">
<!-- hide me

function announceTime()
{
  //get the date, the hour, minutes, and seconds
  var the_date = new Date();
  var the_hour = the_date.getHours();
  var the_minute = the_date.getMinutes();
  var the_second = the_date.getSeconds();

  //put together the string and alert with it
  var the_time = the_hour + ":" + the_minute + ":" + the_second;
  alert("The time is now: " + the_time);
}

// show me -->
</script>
</head>
<body>

...

</body>
</html>

��, �� . �� , �� :


function functionName(parameter list)
{
  statements ...
}

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var the_date=new Date();

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var the_hour = the_date.getHours(); var the_minute = the_date.getMinutes(); var the_second = the_date.getSeconds();

�� . �� , �� date? �� date? �� JavaScript. �� - JavaScript, �� .

�� . �� , �� , �� ()alert �� . �� , �� . �� .

��, �� - timer, �� . �� :"The time is now: 12:14:4". �� ?

��, �� ()getSeconed �� . �� 12:14:4 �� ()getSeconeds �� 4. �� "� the_minute + ":" + the_seconed, �� 14:4, �� . �� , ��: �� . �� , ��, �� , �� .

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