Simple jQuery Plugin

https://learn.jquery.com/plugins/basic-plugin-creation/

by klenwell

HTML

<div>not a table</div>
<table id="aTable">
    <tr>
        <td>a</td>
        <td>table</td>
    </tr>
</table>
<p>not a table</p>
<table id="anotherTable">
    <tr>
        <td>another</td>
        <td>table</td>
    </tr>
</table>
 <h5>not a table</h5>

JavaScript

(function ($) {
    $.fn.highlightTable = function (options) {
        var settings = $.extend({
            borderColor: 'blue',
            borderStyle: 'solid',
            borderWidth: '1px'
        }, options);

        this.filter("table").each(function () {
            var $table = $(this);
            $table.css(settings);            
            //console.debug($table, settings);            
        });

        return this;
    };
}(jQuery));

$('table').highlightTable({borderColor: 'red'});
$('table#anotherTable').highlightTable({borderStyle: 'dotted'});