ss="doc"><p>Shifts all rows down by one position.</p><p class="javadoc">Parameters:</p><table class="table table-bordered params"><tr><th style="width:25%;"><code>wrap</code></th><td><p>if true rows are wrapped, so row at index &#91;<code>this.<a href="#rows">rows</a></code> - 1&#93; is not lost but prepended to the topmost row.</p></td></tr></table></div></div><div class="field "><a name="shiftLeft"></a><h3 class="anchor"><code><span class="label label-meta label-meta-value" title="@:value metadata">@:valu