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<p>From <b>http://www.w3schools.com</b> (Copyright Refsnes Data)</p>
<h1>JavaScript For...In Statement</h1>
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<p class="intro">The for...in statement is used to loop (iterate) through the
elements of an array or through the properties of an object.</p>
<hr />
<h2>Examples</h2>
<p><a target="_blank" href="tryit.asp@filename=tryjs_array_for_in">For...In statement</a><br />
How to use a for...in statement to loop through the elements of an array.</p>
<hr />
<h2>JavaScript For...In Statement</h2>
<p>The for...in statement is used to loop (iterate) through the elements of an
array or through the properties of an object.</p>
<p>The code in the body of the for ... in
loop is executed once for each element/property.</p>
<p><b>Syntax</b></p>
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<pre>for (variable in object)
{
<i>code to be executed</i>
}
</pre>
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<p>The variable argument can be a named variable, an array element, or a
property of an object.</p>
<h3>Example</h3>
<p>Using for...in to loop through an array:</p>
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<pre><html>
<body></pre>
<pre><script type="text/javascript">
var x;
var mycars = new Array();
mycars[0] = "Saab";
mycars[1] = "Volvo";
mycars[2] = "BMW";
for (x in mycars)
{
document.write(mycars[x] + "<br />");
}
</script></pre>
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<p>From <b>http://www.w3schools.com</b> (Copyright Refsnes Data)</p>
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