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<title>JavaScript: Objekte</title>
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content="Übung JavaScript. Rekursiver Funktionsaufruf">
<meta name="keywords" content="HTML, JavaScript">
<meta name="author" content="Roland Unger">
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<h2>Übung JavaScript</h2>
<h3>Objekte: Math-Objekt</h3>
<script language="JavaScript" type="text/javascript">
document.write("sin(π/4)=", Math.sin(Math.PI/4));
</script>
<h3>Objekte: Date-Objekt</h3>
<script language="JavaScript" type="text/javascript">
var Jetzt = Date(), value;
var Beginn = Date(2001,1,1,0,0,0);
document.write("Jetzt ist es ", Jetzt.toLocaleString(), ".<br>");
document.write("Das Jahrtausend begann am ", Beginn.getDate(), ".", Beginn.getMonth(), ".");
value = Beginn.getYear();
if (value < 200) {
if (value < 30) value += 2000;
else if ( value >= 70 ) value += 1900;
};
document.write(value, ".");
</script>
<h3>Objekte: Arrays</h3>
<script language="JavaScript" type="text/javascript">
var myArray1 = Array(10);
var myArray2 = Array(1,2,3,4,5,6,7,8,9,10);
document.write("Größe myArray1: ", myArray1.length, "<br> <br>");
document.write("Größe myArray2: ", myArray2.length, "<br>");
document.write("5. Element von myArray2: ", myArray2[4]);
</script>
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