{"id":1815,"date":"2009-11-04T08:07:54","date_gmt":"2009-11-04T03:07:54","guid":{"rendered":"http:\/\/www.chiragmehta.info\/chirag\/?p=1815"},"modified":"2009-11-04T08:13:20","modified_gmt":"2009-11-04T03:13:20","slug":"executing-javascript-on-page-load","status":"publish","type":"post","link":"https:\/\/www.chiragmehta.info\/chirag\/2009\/11\/04\/executing-javascript-on-page-load\/","title":{"rendered":"Executing JavaScript on page load"},"content":{"rendered":"<p>Following code helps you to define any JS function to be called on page load. The tricky part of the code is that <strong>it waits until page is completely loaded. <\/strong><\/p>\n<p><code><br \/>\n&lt;script&gt;<br \/>    function init() {                <br \/>        alert('Loaded');<br \/>    }<\/p>\n<p>    var previousOnload = window.onload;        <br \/>    window.onload = function() { <br \/>        if (previousOnload) {<br \/>\t    alert('...loading ...');\t<br \/>            previousOnload();<br \/>        }<\/p>\n<p>        init();<br \/>    }<br \/>&lt;\/script&gt;<br \/>\n<\/code><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Following code helps you to define any JS function to be called on page load. The tricky part of the code is that it waits until page is completely loaded. &lt;script&gt; function init() { alert(&#8216;Loaded&#8217;); } var previousOnload = window.onload; window.onload = function() { if (previousOnload) { alert(&#8216;&#8230;loading &#8230;&#8217;); previousOnload(); } init(); }&lt;\/script&gt;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[27],"class_list":["post-1815","post","type-post","status-publish","format-standard","hentry","tag-javascript","post-preview"],"_links":{"self":[{"href":"https:\/\/www.chiragmehta.info\/chirag\/wp-json\/wp\/v2\/posts\/1815","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.chiragmehta.info\/chirag\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.chiragmehta.info\/chirag\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.chiragmehta.info\/chirag\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.chiragmehta.info\/chirag\/wp-json\/wp\/v2\/comments?post=1815"}],"version-history":[{"count":4,"href":"https:\/\/www.chiragmehta.info\/chirag\/wp-json\/wp\/v2\/posts\/1815\/revisions"}],"predecessor-version":[{"id":1819,"href":"https:\/\/www.chiragmehta.info\/chirag\/wp-json\/wp\/v2\/posts\/1815\/revisions\/1819"}],"wp:attachment":[{"href":"https:\/\/www.chiragmehta.info\/chirag\/wp-json\/wp\/v2\/media?parent=1815"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.chiragmehta.info\/chirag\/wp-json\/wp\/v2\/categories?post=1815"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.chiragmehta.info\/chirag\/wp-json\/wp\/v2\/tags?post=1815"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}