{"id":1266,"date":"2023-11-07T09:42:54","date_gmt":"2023-11-07T09:42:54","guid":{"rendered":"https:\/\/www.devopssupport.in\/blog\/?p=1266"},"modified":"2023-11-22T09:53:06","modified_gmt":"2023-11-22T09:53:06","slug":"uncaught-error-syntax-error-unrecognized-expression","status":"publish","type":"post","link":"https:\/\/www.devopssupport.in\/blog\/uncaught-error-syntax-error-unrecognized-expression\/","title":{"rendered":"Uncaught Error: Syntax error, unrecognized expression: #"},"content":{"rendered":"\n<p>JavaScript is a powerful and flexible programming language used for building dynamic and interactive web applications. However, like any programming language, it&#8217;s prone to errors, and one common type of error is a syntax error.<\/p>\n\n\n\n<p>The Mistake: Let&#8217;s take a look at a snippet of JavaScript code that contains a common syntax mistake:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.devopssupport.in\/blog\/wp-content\/uploads\/2023\/11\/image-23.png\" alt=\"\" class=\"wp-image-1268\" width=\"475\" height=\"255\" srcset=\"https:\/\/www.devopssupport.in\/blog\/wp-content\/uploads\/2023\/11\/image-23.png 475w, https:\/\/www.devopssupport.in\/blog\/wp-content\/uploads\/2023\/11\/image-23-300x161.png 300w\" sizes=\"auto, (max-width: 475px) 100vw, 475px\" \/><\/figure>\n\n\n\n<p>In this code, the <code>bidMsgCount<\/code> property has an extra space between the property name and the colon. This seemingly minor mistake can lead to a syntax error, causing issues in your application.<\/p>\n\n\n\n<p>The Error: Upon running the code, you might encounter an error similar to the following.<\/p>\n\n\n\n<p><strong>app.js:1966 Uncaught Error: Syntax error, unrecognized expression: #<\/strong><\/p>\n\n\n\n<p>The error message might be confusing at first, especially if you don&#8217;t see an obvious connection between the code and the error. However, in JavaScript, syntax errors can have a cascading effect, and seemingly unrelated code might be affected.<\/p>\n\n\n\n<p>In this case, the error is triggered by the syntax mistake in the <code>config<\/code> object. The JavaScript interpreter encounters the unexpected space in <code>bidMsgCount: ''<\/code>, leading to a syntax error that affects subsequent code.<\/p>\n\n\n\n<p>Fixing the Issue: To resolve the syntax error, simply remove the extra space between the property name and the colon, like this.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>var config = {\r\n    \/\/ other properties...\r\n    bidMsgCount: '',\r\n    \/\/ other properties...\r\n};\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>JavaScript is a powerful and flexible programming language used for building dynamic and interactive web applications. However, like any programming language, it&#8217;s prone to errors, and one&#8230; <\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[510,513,511,512],"class_list":["post-1266","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-uncaught-error-syntax-error","tag-unrecognized-expression-2","tag-unrecognized-expression","tag-yntax-error"],"_links":{"self":[{"href":"https:\/\/www.devopssupport.in\/blog\/wp-json\/wp\/v2\/posts\/1266","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.devopssupport.in\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.devopssupport.in\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.devopssupport.in\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.devopssupport.in\/blog\/wp-json\/wp\/v2\/comments?post=1266"}],"version-history":[{"count":1,"href":"https:\/\/www.devopssupport.in\/blog\/wp-json\/wp\/v2\/posts\/1266\/revisions"}],"predecessor-version":[{"id":1269,"href":"https:\/\/www.devopssupport.in\/blog\/wp-json\/wp\/v2\/posts\/1266\/revisions\/1269"}],"wp:attachment":[{"href":"https:\/\/www.devopssupport.in\/blog\/wp-json\/wp\/v2\/media?parent=1266"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.devopssupport.in\/blog\/wp-json\/wp\/v2\/categories?post=1266"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.devopssupport.in\/blog\/wp-json\/wp\/v2\/tags?post=1266"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}