{"id":911,"date":"2012-06-13T04:04:20","date_gmt":"2012-06-13T04:04:20","guid":{"rendered":"https:\/\/theextremewebdesigns.com\/blog\/?p=911"},"modified":"2012-06-13T04:04:20","modified_gmt":"2012-06-13T04:04:20","slug":"jquery-textbox-empty-how-to-check-if-textbox-is-empty-using-jquery","status":"publish","type":"post","link":"https:\/\/theextremewebdesigns.com\/blog\/jquery-textbox-empty-how-to-check-if-textbox-is-empty-using-jquery\/","title":{"rendered":"Check if Textbox is Empty using jQuery Examples"},"content":{"rendered":"<p>Have you ever wondered <strong><em>how to check if Textbox is Empty using jQuery<\/em>?<\/strong> In this article, I am going to share a very easy way that you can use to check if Textbox is Empty using jQuery.<!--more--><\/p>\n<h2>How to check if Textbox is Empty using jQuery<\/h2>\n<div class=\"make_demo\">\r\n\r\n\t<form action=\"https:\/\/theextremewebdesigns.com\/blog\/wp-content\/themes\/ewd_blog_2017\/try_demo.php?post_id=911\" method=\"post\" name=\"form1\" target=\"_blank\" id=\"form1\">\r\n\r\n\r\n\t<input type=\"hidden\" name=\"shortcode_content\" id=\"shortcode_content\" value=\"\" \/>\r\n\r\n        <div class=\"try_demo_btn_container\">\r\n\r\n\r\n            <button type=\"submit\" name=\"sbt_make_demo\" id=\"sbt_make_demo\" class=\"btn-primary btn-try-demo\">\r\n                Try Demo\r\n            <\/button>\r\n\r\n\r\n        <\/div><!-- .try_demo_btn_container -->\r\n\r\n    <\/form>\r\n    <\/div>\r\n    \n<p>For this example, I am assuming that we have a Textbox in a form and we need to check if this textbox is empty or not when the &#8220;Check&#8221; button is clicked. The following is the complete source code:<\/p>\n<h3>Example: Use jQuery to check if textbox is empty<\/h3>\n<pre class=\"lang:xhtml decode:true\">&lt;html&gt;\n&lt;head&gt;\n&lt;title&gt;jQuery Textbox Empty | How to check if Textbox is Empty using jQuery&lt;\/title&gt;\n&lt;script type=\"text\/javascript\" src=\"js\/jquery-1.8.2.min.js\"&gt;&lt;\/script&gt;\n&lt;\/head&gt;\n\n&lt;body&gt;\n\n&lt;form name=\"form1\" method=\"post\" action=\"\"&gt;\n&lt;label for=\"city\"&gt;City:&lt;\/label&gt;\n&lt;input type=\"text\" name=\"city\" id=\"city\"&gt;\n&lt;\/form&gt;\n&lt;button id=\"check\"&gt;Check&lt;\/button&gt;\n\n&lt;script type=\"text\/javascript\"&gt;\n\n$('#check').click(function() {\n\nif ( $('#city').val() == '' )\n{\n\talert('Empty!!!');\n}\nelse\n{\n\talert('Contains: ' + $('#city').val() );\n}\n\n});\n\n&lt;\/script&gt;\n&lt;\/body&gt;\n&lt;\/html&gt;<\/pre>\n<p>Once you run the above code and click the &#8220;Check&#8221; button, the page will alert &#8220;Empty!!!&#8221;. If you enter something in it and then click the button, it will show the value you entered.<\/p>\n<div class=\"make_demo\">\r\n\r\n\t<form action=\"https:\/\/theextremewebdesigns.com\/blog\/wp-content\/themes\/ewd_blog_2017\/try_demo.php?post_id=911\" method=\"post\" name=\"form1\" target=\"_blank\" id=\"form1\">\r\n\r\n\r\n\t<input type=\"hidden\" name=\"shortcode_content\" id=\"shortcode_content\" value=\"\" \/>\r\n\r\n        <div class=\"try_demo_btn_container\">\r\n\r\n\r\n            <button type=\"submit\" name=\"sbt_make_demo\" id=\"sbt_make_demo\" class=\"btn-primary btn-try-demo\">\r\n                Try Demo\r\n            <\/button>\r\n\r\n\r\n        <\/div><!-- .try_demo_btn_container -->\r\n\r\n    <\/form>\r\n    <\/div>\r\n    \n<h5>Simple, isn&#8217;t it?<\/h5>\n<p>Do you know of any other ways to <em><strong>check if textbox is empty using jQuery<\/strong><\/em>? Feel free to suggest by commenting below.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Have you ever wondered how to check if Textbox is Empty using jQuery? In this article, I am going to share a very easy way that you can use to check if Textbox is Empty using jQuery.<\/p>\n","protected":false},"author":1,"featured_media":395,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[20,13],"tags":[78,42,41],"class_list":["post-911","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-jquery-tips-and-tricks","category-tips-and-tricks","tag-jquery-check-textbox-empty","tag-jquery-demos-2","tag-jquery-tips"],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/paBnQX-eH","jetpack_sharing_enabled":true,"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/theextremewebdesigns.com\/blog\/wp-json\/wp\/v2\/posts\/911","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/theextremewebdesigns.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/theextremewebdesigns.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/theextremewebdesigns.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/theextremewebdesigns.com\/blog\/wp-json\/wp\/v2\/comments?post=911"}],"version-history":[{"count":0,"href":"https:\/\/theextremewebdesigns.com\/blog\/wp-json\/wp\/v2\/posts\/911\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/theextremewebdesigns.com\/blog\/wp-json\/"}],"wp:attachment":[{"href":"https:\/\/theextremewebdesigns.com\/blog\/wp-json\/wp\/v2\/media?parent=911"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/theextremewebdesigns.com\/blog\/wp-json\/wp\/v2\/categories?post=911"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/theextremewebdesigns.com\/blog\/wp-json\/wp\/v2\/tags?post=911"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}