创建第二列，然后将所需的元素移到该列中。
<script type="text/javascript">
$(document).ready(function() {
var size = $("#data > p").size();
$(".Column1 > p").each(function(index){
if (index >= size/2){
$(this).appendTo("#Column2");
}
});
});
</script>
<div id="data" class="Column1" style="float:left;width:300px;">
<!-- data Start -->
<p>This is paragraph 1. Lorem ipsum ... </p>
<p>This is paragraph 2. Lorem ipsum ... </p>
<p>This is paragraph 3. Lorem ipsum ... </p>
<p>This is paragraph 4. Lorem ipsum ... </p>
<p>This is paragraph 5. Lorem ipsum ... </p>
<p>This is paragraph 6. Lorem ipsum ... </p>
<!-- data Emd-->
</div>
<div id="Column2" style="float:left;width:300px;"></div>
更新：
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