{"id":114,"date":"2009-03-19T11:45:24","date_gmt":"2009-03-19T11:45:24","guid":{"rendered":"http:\/\/beta.robertprice.co.uk\/robblog\/2009\/03\/alternating_table_rows_with_javascript_and_jquery-shtml\/"},"modified":"2009-03-19T11:45:24","modified_gmt":"2009-03-19T11:45:24","slug":"alternating_table_rows_with_javascript_and_jquery-shtml","status":"publish","type":"post","link":"https:\/\/www.robertprice.co.uk\/robblog\/alternating_table_rows_with_javascript_and_jquery-shtml\/","title":{"rendered":"Alternating Table Rows With JavaScript And jQuery"},"content":{"rendered":"

\nOne of the most popular stories on this website is on Alternating Table Rows With Template Toolkit And CSS<\/a>. The example I use is how to stripe alternate rows in an HTML table by applying a seperate class to each row.\n<\/p>\n

\nAs I’ve been learning jQuery lately, I thought I’d update this example to show how to do it using this excellent JavaScript framework.\n<\/p>\n

\nFirstly, we need to setup our styles. We’ll have a lite<\/var> and a dark<\/var> class to use that will just set a different background colour.\n<\/p>\n

<style type=\"text\/css\">
\n.lite {background-color: #ddffff;}
\n.dark {background-color: #aaffff;}
\n<\/style>
\n<\/code><\/div>\n

\nWe’ll also need an example table.\n<\/p>\n

<table class=\"stripe\">
\n<tbody>
\n<tr>
\n<td>1<\/td><td>One<\/td>
\n<\/tr>
\n<tr>
\n<td>2<\/td><td>Two<\/td>
\n<\/tr>
\n<tr>
\n<td>3<\/td><td>Three<\/td>
\n<\/tr>
\n<tr>
\n<td>4<\/td><td>Four<\/td>
\n<\/tr>
\n<tr>
\n<td>5<\/td><td>Five<\/td>
\n<\/tr>
\n<\/tbody>
\n<\/table>
\n<\/code><\/div>\n

\nNotice how I have given the table a class of stripe<\/var>. This is important, I’m going to use jQuery to only select table elements that have this class name, else every table on the page would be striped.\n<\/p>\n

\nThe jQuery to achieve the striping is actually very simple.\n<\/p>\n

<script type=\"text\/javascript\" src=\"jquery.js\"><\/script>
\n<script type=\"text\/javascript\">
\n$(document).ready(function() {
\n$('table.stripe>tbody>tr:even').addClass(\"lite\");
\n$('table.stripe>tbody>tr:odd').addClass(\"dark\");
\n});
\n<\/script>
\n<\/code><\/div>\n

\nFirstly we added the jQuery library to the page. Next we setup our striping code to only run once the DOM<\/acronym> is place. This is important as we’re going to be selecting and manipulating over the DOM next. The next two lines apply the lite<\/var> class to even table rows and the dark<\/var> class to odd table rows. Let’s look at this in a bit more detail.\n<\/p>\n

\nThe selector $('table.stripe>tbody>tr:even')<\/code> is easier to explain backwards. We look for even matching tr<\/code> elements, that have a parent of tbody<\/code>, that has a parent of table<\/code> with a class of stripe<\/var>. The use of the ><\/code> symbol instead of just a space is to make sure the elements are direct parent and child elements instead of just ancestor and descendant. Why is this important? Well if we used a space any nested tables that happened to have an striped ancestor would also be striped. This isn’t normally what we’d want to happen.<\/p>\n","protected":false},"excerpt":{"rendered":"

One of the most popular stories on this website is on Alternating Table Rows With Template Toolkit And CSS. The example I use is how to stripe alternate rows in an HTML table by applying a seperate class to each row. As I’ve been learning jQuery lately, I thought I’d update this example to show … Continue reading “Alternating Table Rows With JavaScript And jQuery”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[2],"tags":[31,32,75,79],"class_list":["post-114","post","type-post","status-publish","format-standard","hentry","category-dev","tag-javascript","tag-jquery","tag-web-development","tag-xhtml"],"yoast_head":"\nAlternating Table Rows With JavaScript And jQuery - Robert Price<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.robertprice.co.uk\/robblog\/alternating_table_rows_with_javascript_and_jquery-shtml\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Alternating Table Rows With JavaScript And jQuery - Robert Price\" \/>\n<meta property=\"og:description\" content=\"One of the most popular stories on this website is on Alternating Table Rows With Template Toolkit And CSS. 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