{"id":570,"date":"2026-08-10T19:13:05","date_gmt":"2026-08-10T19:13:05","guid":{"rendered":"https:\/\/api.jquery.com\/?p=570"},"modified":"2026-08-10T19:13:05","modified_gmt":"2026-08-10T19:13:05","slug":"only-of-type-selector","status":"publish","type":"post","link":"https:\/\/api.jquery.com\/only-of-type-selector\/","title":{"rendered":":only-of-type Selector"},"content":{"rendered":"<article id=\"only-of-type1\" class=\"entry selector\"><h2 class=\"section-title\"><span>only-of-type selector<\/span><\/h2>\n<div class=\"entry-wrapper\">\n<p class=\"desc\"><strong>Description: <\/strong>Selects all elements that have no siblings with the same element name.<\/p>\n<ul class=\"signatures\"><li class=\"signature\"><h4 class=\"name\">\n<span class=\"version-details\">version added: <a href=\"\/category\/version\/1.9\/\">1.9<\/a><\/span>jQuery( \":only-of-type\" )<\/h4><\/li><\/ul>\n<div class=\"longdesc\" id=\"entry-longdesc\">\n    <p>If the parent has other child elements with the same element name, nothing is matched.<\/p>\n  <\/div>\n<section class=\"entry-examples\" id=\"entry-examples\"><header><h2>Example:<\/h2><\/header><div class=\"entry-example\" id=\"example-0\">\n<p>Change the text and add a border for each button that is the only child button of its parent.<\/p>\n<div class=\"syntaxhighlighter xml\">\n\t<table>\n\t\t<tbody>\n\t\t\t<tr>\n\t\t\t\t\n\t\t\t\t<td class=\"gutter\">\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n1\">1<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n2\">2<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n3\">3<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n4\">4<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n5\">5<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n6\">6<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n7\">7<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n8\">8<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n9\">9<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n10\">10<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n11\">11<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n12\">12<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n13\">13<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n14\">14<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n15\">15<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n16\">16<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n17\">17<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n18\">18<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n19\">19<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n20\">20<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n21\">21<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n22\">22<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n23\">23<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n24\">24<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n25\">25<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n26\">26<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n27\">27<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n28\">28<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n29\">29<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n30\">30<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n31\">31<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n32\">32<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n33\">33<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n34\">34<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n35\">35<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n36\">36<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n37\">37<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n38\">38<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n39\">39<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n40\">40<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n41\">41<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n42\">42<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n43\">43<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n44\">44<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n45\">45<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n46\">46<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n47\">47<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n48\">48<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n49\">49<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n50\">50<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n51\">51<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"line n52\">52<\/div>\n\t\t\t\t\t\n\t\t\t\t<\/td>\n\t\t\t\t\n\t\t\t\t<td class=\"code\">\n\t\t\t\t\t<pre><div class=\"container\"><div class=\"line\"><code><span class=\"hljs-meta\">&lt;!doctype <span class=\"hljs-meta-keyword\">html<\/span>&gt;<\/span><\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">html<\/span> <span class=\"hljs-attr\">lang<\/span>=<span class=\"hljs-string\">\"en\"<\/span>&gt;<\/span><\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">head<\/span>&gt;<\/span><\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code>  <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">meta<\/span> <span class=\"hljs-attr\">charset<\/span>=<span class=\"hljs-string\">\"utf-8\"<\/span>&gt;<\/span><\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code>  <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">title<\/span>&gt;<\/span>only-of-type demo<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">title<\/span>&gt;<\/span><\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code>  <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">style<\/span>&gt;<\/span><span class=\"css\"><\/span><\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code>  <span class=\"hljs-selector-tag\">div<\/span> {<\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code>    <span class=\"hljs-attribute\">width<\/span>: <span class=\"hljs-number\">100px<\/span>;<\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code>    <span class=\"hljs-attribute\">height<\/span>: <span class=\"hljs-number\">80px<\/span>;<\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code>    <span class=\"hljs-attribute\">margin<\/span>: <span class=\"hljs-number\">5px<\/span>;<\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code>    <span class=\"hljs-attribute\">float<\/span>: left;<\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code>    <span class=\"hljs-attribute\">background<\/span>: <span class=\"hljs-number\">#b9e<\/span>;<\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code>  }<\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code>  <span class=\"hljs-selector-tag\">span<\/span> {<\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code>    <span class=\"hljs-attribute\">padding<\/span>: <span class=\"hljs-number\">2px<\/span>;<\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code>    <span class=\"hljs-attribute\">margin<\/span>: <span class=\"hljs-number\">3px<\/span>;<\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code>    <span class=\"hljs-attribute\">line-height<\/span>: <span class=\"hljs-number\">1.4<\/span>;<\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code>    <span class=\"hljs-attribute\">border<\/span>: <span class=\"hljs-number\">1px<\/span> solid <span class=\"hljs-number\">#000<\/span>;<\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code>  }<\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code>  <span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">style<\/span>&gt;<\/span><\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code>  <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">script<\/span> <span class=\"hljs-attr\">src<\/span>=<span class=\"hljs-string\">\"https:\/\/code.jquery.com\/jquery-4.0.0.js\"<\/span>&gt;<\/span><span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">script<\/span>&gt;<\/span><\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code><span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">head<\/span>&gt;<\/span><\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">body<\/span>&gt;<\/span><\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code> <\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">div<\/span>&gt;<\/span><\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code>  <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">button<\/span>&gt;<\/span>Sibling!<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">button<\/span>&gt;<\/span><\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code>  <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">button<\/span>&gt;<\/span>Sibling!<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">button<\/span>&gt;<\/span><\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code><span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">div<\/span>&gt;<\/span><\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code> <\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">div<\/span>&gt;<\/span><\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code>  <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">button<\/span>&gt;<\/span>Sibling!<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">button<\/span>&gt;<\/span><\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code><span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">div<\/span>&gt;<\/span><\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">div<\/span>&gt;<\/span><\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code>  None<\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code><span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">div<\/span>&gt;<\/span><\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code> <\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">div<\/span>&gt;<\/span><\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code>  <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">button<\/span>&gt;<\/span>Sibling!<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">button<\/span>&gt;<\/span><\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code>  <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">span<\/span>&gt;<\/span>Sibling!<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">span<\/span>&gt;<\/span><\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code>  <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">span<\/span>&gt;<\/span>Sibling!<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">span<\/span>&gt;<\/span><\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code><span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">div<\/span>&gt;<\/span><\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code> <\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">div<\/span>&gt;<\/span><\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code>  <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">button<\/span>&gt;<\/span>Sibling!<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">button<\/span>&gt;<\/span><\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code><span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">div<\/span>&gt;<\/span><\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code> <\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">script<\/span>&gt;<\/span><span class=\"javascript\"><\/span><\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code>  $( <span class=\"hljs-string\">\"button:only-of-type\"<\/span> ).text( <span class=\"hljs-string\">\"Alone\"<\/span> ).css( <span class=\"hljs-string\">\"border\"<\/span>, <span class=\"hljs-string\">\"2px blue solid\"<\/span> );<\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code><span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">script<\/span>&gt;<\/span><\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code> <\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code><span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">body<\/span>&gt;<\/span><\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code><span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">html<\/span>&gt;<\/span><\/code><\/div><\/div><\/pre>\n\t\t\t\t<\/td>\n\t\t\t<\/tr>\n\t\t<\/tbody>\n\t<\/table>\n<\/div>\n\n<h4>Demo:<\/h4>\n<div class=\"demo code-demo\"><\/div>\n<\/div><\/section>\n<\/div><\/article>","protected":false},"excerpt":{"rendered":"<p>Selects all elements that have no siblings with the same element name.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[67,99],"tags":[],"class_list":["post-570","post","type-post","status-publish","format-standard","hentry","category-child-filter-selectors","category-99"],"_links":{"self":[{"href":"https:\/\/api.jquery.com\/wp-json\/wp\/v2\/posts\/570","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/api.jquery.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/api.jquery.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/api.jquery.com\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/api.jquery.com\/wp-json\/wp\/v2\/comments?post=570"}],"version-history":[{"count":1,"href":"https:\/\/api.jquery.com\/wp-json\/wp\/v2\/posts\/570\/revisions"}],"predecessor-version":[{"id":571,"href":"https:\/\/api.jquery.com\/wp-json\/wp\/v2\/posts\/570\/revisions\/571"}],"wp:attachment":[{"href":"https:\/\/api.jquery.com\/wp-json\/wp\/v2\/media?parent=570"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/api.jquery.com\/wp-json\/wp\/v2\/categories?post=570"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/api.jquery.com\/wp-json\/wp\/v2\/tags?post=570"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}