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POGet ID of Previous Table in the DOM issue
 

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  1. POGet ID of Previous Table in the DOM issue
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    <p>When i use the fn below it returns the current table as previous..</p> <p>I "tweaked" the index in the slice to get the results I was looking for. This is a hack and I am looking for explanation/answer if there is something I am missing. </p> <p>Each tables is nested in a div or 2. But using the selector I would assume the previous would be the previous of the selector specified. </p> <p>hack: ? $all.slice(0, $all.index(this)<strong>-10</strong>).reverse() : $all.slice($all.index(this) <strong>+ 2</strong>)</p> <p>original func:</p> <pre><code>$.fn.reverse = function () { return this.pushStack(this.get().reverse(), arguments); }; // create two new functions: prevALL and nextALL. $.each(['prev', 'next'], function (unusedIndex, name) { $.fn[name + 'ALL'] = function (matchExpr) { // get all the elements in the body, including the body. var $all = $('body').find('*').andSelf(); // slice the $all object according to which way we're looking $all = (name == 'prev') ? $all.slice(0, $all.index(this)).reverse() : $all.slice($all.index(this) + 1) ; // filter the matches if specified if (matchExpr) $all = $all.filter(matchExpr); return $all; }; }); </code></pre> <p>elements: these are looped, <strong>I am trying to navigate from one table to the next using up, down, left right arrow keys.. and need to be able to get the ID of the previous &amp; next table</strong></p> <pre><code> "&lt;div id='divOuter" + div.divCode + "' class='BoxOuterDiv' &gt;" + " &lt;div id='div" + div.divCode + "' class='BoxDiv' &gt;" + " &lt;table class='grid' id='" + div.divCode + "' width='100%'&gt;" + " &lt;tr&gt;" + " &lt;td class='col0' width='125px' nowrap='nowrap'&gt;" + " &lt;span id='spn0" + div.divCode + "' class='rgCollapse' onclick='Collapse(this)'&gt;&amp;nbsp&amp;nbsp&lt;/span&gt;" + " Division: " + div.divCode + " &lt;/td&gt;" + " &lt;td class='col1' width='5%' style='padding-left:15px' nowrap='nowrap'&gt;" + " Description: " + " &lt;/td&gt;" + " &lt;td class='col2' width='40%' nowrap='nowrap'&gt;" + " &lt;input class='grid' type='text' id='dvDesc" + div.divCode + "' value='" + div.divDesc + "' style='width: 400px' maxlength='60' /&gt;" + " &lt;/td&gt;" + " &lt;td class='col3' width='50%' align='right' nowrap='nowrap'&gt;" + " &lt;input type='button' id='btnDv" + div.divCode + "' value='Add Business Unit' style='align:right' onclick='AddMfRow(this);' /&gt;" + " &lt;/td&gt;" + " &lt;/tr&gt;" + " &lt;/table&gt;" + " &lt;/div&gt;" + "&lt;div id='divWrapper" + div.divCode + "'&gt;" </code></pre> <p>Credit to Author: <a href="https://stackoverflow.com/questions/322912/jquery-to-find-all-previous-elements-that-match-an-expression">jQuery to find all previous elements that match an expression</a></p> <p>Another question.. This blows up in IE! any idea why??</p> <pre><code>$.fn.reverse = function () { return this.pushStack(this.get().reverse(), arguments); </code></pre> <p>};</p> <p>// create two new functions: prevALL and nextALL. $.each(['prev', 'next'], function (unusedIndex, name) { $.fn[name + 'ALL'] = function (matchExpr) { // get all the elements in the body, including the body. var $all = $('body').find('*').andSelf();</p> <pre><code> // slice the $all object according to which way we're looking $all = (name == 'prev') ? $all.slice(0, $all.index(this)-10).reverse() : $all.slice($all.index(this) + 2) ; // filter the matches if specified if (matchExpr) $all = $all.filter(matchExpr); return $all; }; </code></pre> <p>});</p>
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