{"id":246,"date":"2026-08-10T19:11:33","date_gmt":"2026-08-10T19:11:33","guid":{"rendered":"https:\/\/api.jquery.com\/?p=246"},"modified":"2026-08-10T19:11:33","modified_gmt":"2026-08-10T19:11:33","slug":"event.timeStamp","status":"publish","type":"post","link":"https:\/\/api.jquery.com\/event.timeStamp\/","title":{"rendered":"event.timeStamp"},"content":{"rendered":"<article id=\"event-timeStamp1\" class=\"entry property\"><h2 class=\"section-title\">\n<span>event.timeStamp<\/span><span class=\"returns\">Returns: <a href=\"http:\/\/api.jquery.com\/Types\/#Number\">Number<\/a><\/span>\n<\/h2>\n<div class=\"entry-wrapper\">\n<p class=\"desc\"><strong>Description: <\/strong>The difference in milliseconds between the time the browser created the event and January 1, 1970.<\/p>\n<ul class=\"signatures\"><li class=\"signature\"><h4 class=\"name\">\n<span class=\"version-details\">version added: <a href=\"\/category\/version\/1.2.6\/\">1.2.6<\/a><\/span>event.timeStamp<\/h4><\/li><\/ul>\n<div class=\"longdesc\" id=\"entry-longdesc\">\n    <p>This property can be useful for profiling event performance by getting the <code>event.timeStamp<\/code> value at two points in the code and noting the difference. To simply determine the current time inside an event handler, use <code>(new Date).getTime()<\/code> instead.<\/p>\n    <p>Note: Due to a <a href=\"https:\/\/bugzilla.mozilla.org\/show_bug.cgi?id=238041\">bug open since 2004<\/a>, this value is not populated correctly in Firefox and it is not possible to know the time the event was created in that browser.<\/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>Display the time since the click handler last executed.<\/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<\/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>event.timeStamp 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\">height<\/span>: <span class=\"hljs-number\">100px<\/span>;<\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code>    <span class=\"hljs-attribute\">width<\/span>: <span class=\"hljs-number\">300px<\/span>;<\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code>    <span class=\"hljs-attribute\">margin<\/span>: <span class=\"hljs-number\">10px<\/span>;<\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code>    <span class=\"hljs-attribute\">background-color<\/span>: <span class=\"hljs-number\">#ffd<\/span>;<\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code>    <span class=\"hljs-attribute\">overflow<\/span>: auto;<\/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>Click.<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-keyword\">var<\/span> last, diff;<\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code>$( <span class=\"hljs-string\">\"div\"<\/span> ).on( <span class=\"hljs-string\">\"click\"<\/span>, <span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span>(<span class=\"hljs-params\"> event <\/span>) <\/span>{<\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code>  <span class=\"hljs-keyword\">if<\/span> ( last ) {<\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code>    diff = event.timeStamp - last;<\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code>    $( <span class=\"hljs-string\">\"div\"<\/span> ).append( <span class=\"hljs-string\">\"time since last event: \"<\/span> + diff + <span class=\"hljs-string\">\"&lt;br&gt;\"<\/span> );<\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code>  } <span class=\"hljs-keyword\">else<\/span> {<\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code>    $( <span class=\"hljs-string\">\"div\"<\/span> ).append( <span class=\"hljs-string\">\"Click again.&lt;br&gt;\"<\/span> );<\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code>  }<\/code><\/div><\/div><div class=\"container\"><div class=\"line\"><code>  last = event.timeStamp;<\/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><\/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>The difference in milliseconds between the time the browser created the event and January 1, 1970.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[36,87],"tags":[],"class_list":["post-246","post","type-post","status-publish","format-standard","hentry","category-event-object","category-87"],"_links":{"self":[{"href":"https:\/\/api.jquery.com\/wp-json\/wp\/v2\/posts\/246","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=246"}],"version-history":[{"count":1,"href":"https:\/\/api.jquery.com\/wp-json\/wp\/v2\/posts\/246\/revisions"}],"predecessor-version":[{"id":247,"href":"https:\/\/api.jquery.com\/wp-json\/wp\/v2\/posts\/246\/revisions\/247"}],"wp:attachment":[{"href":"https:\/\/api.jquery.com\/wp-json\/wp\/v2\/media?parent=246"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/api.jquery.com\/wp-json\/wp\/v2\/categories?post=246"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/api.jquery.com\/wp-json\/wp\/v2\/tags?post=246"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}