JavaScript MooTools交替表行颜色

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.shade-table	{ /* just to remind us we're using this -- we don't want to write over it later! */ }
.odd		{ background:#ccc; padding:3px; }
.even		{ background:#eee; padding:3px; }

window.addEvent('domready', function() {
	var count = 0;
	$$('table.shade-table tr').each(function(el) {
		el.addClass(count++ % 2 == 0 ? 'odd' : 'even');
	});
});

<table class="shade-table" border="1" cellpadding="5" cellspacing="2"><tbody>
<tr>
<td>1</td>
<td>1</td>
<td>1</td>
<td>1</td>
</tr>
<tr>
<td>2</td>
<td>2</td>
<td>2</td>
<td>2</td>
</tr>
<tr>
<td>3</td>
<td>3</td>
<td>3</td>
<td>3</td>
</tr>
<tr>
<td>4</td>
<td>4</td>
<td>4</td>
<td>4</td>
</tr>
<tr>
<td>5</td>
<td>5</td>
<td>5</td>
<td>5</td>
</tr>
</tbody></table>

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