StackOverflow2013

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2013-08-03T09:38:26.830
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2017-05-23T12:05:17.477
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<p>First: as you use <code>jQuery(document).ready()</code> your page is already loaded, when the following code is executed.</p> <p>Second: <code>location.search</code> contains all of the url past th <code>?</code>.<br> To parse it, see <a href="https://stackoverflow.com/q/1403888/1065703">Get escaped URL parameter</a>.</p> <p>To sum it all:</p> <pre><code> <%= javascript_tag do %> function getURLParameter(name) { return decodeURI( (RegExp(name + '=' + '(.+?)(&|$)').exec(location.search)||[,null])[1] ); } jQuery(document).ready(function () { $(document).on('click', 'a#user', function() { $(".box#input").val($(this).attr('value')); var input = $(".box#input"); $(document).scrollTop(input .offset().top - 45); input.focus(); }); if (getURLParameter('mode')==1) { var input = $(".box#input"); $(document).scrollTop(input .offset().top - 45); input.focus(); } }); <% end %> </code></pre> <p>after all your comments I wrote an example page with your code snippet in it and it works:</p> <pre><code><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>Insert title here</title> <script type="text/javascript" src="includes_js/jquery.min.js"></script> <script type="text/javascript" language="javascript"> function getURLParameter(name) { return decodeURI( (RegExp(name + '=' + '(.+?)(&|$)').exec(location.search)||[,null])[1] ); }; jQuery(document).ready(function () { // alert(location.search); var mode=getURLParameter('mode'); // alert(mode); if (mode==1) { var input = $(".box#input"); $(document).scrollTop(input .offset().top - 45); input.focus(); } }); </script> </head> <body> <form> <input name="t1" /><br> <input name="t2" class="box" id="input" /> </form> </body> </html> </code></pre> <p>For me, your selector is pretty strange. Do you really have a tag with <code>class="box" id="input"</code>? Espessially the id seems strange to me.</p>
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