{"id":227988,"date":"2024-04-01T06:28:21","date_gmt":"2024-04-01T06:28:21","guid":{"rendered":"https:\/\/namso-gen.co\/blog\/?p=227988"},"modified":"2024-04-01T06:28:21","modified_gmt":"2024-04-01T06:28:21","slug":"how-to-get-value-from-cookie-in-javascript","status":"publish","type":"post","link":"https:\/\/namso-gen.co\/blog\/how-to-get-value-from-cookie-in-javascript\/","title":{"rendered":"How to get value from cookie in JavaScript?"},"content":{"rendered":"<p>Cookies are small pieces of data stored on a user&#8217;s computer by websites. They play a crucial role in web development by allowing websites to remember user preferences and track user behavior. In JavaScript, accessing and retrieving values from cookies is a straightforward process. Let&#8217;s dive into the steps involved in getting a value from a cookie in JavaScript.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_62 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/namso-gen.co\/blog\/how-to-get-value-from-cookie-in-javascript\/#The_Steps\" title=\"The Steps:\">The Steps:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/namso-gen.co\/blog\/how-to-get-value-from-cookie-in-javascript\/#Frequently_Asked_Questions\" title=\"Frequently Asked Questions:\">Frequently Asked Questions:<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/namso-gen.co\/blog\/how-to-get-value-from-cookie-in-javascript\/#1_How_can_I_set_a_cookie_in_JavaScript\" title=\"1. How can I set a cookie in JavaScript?\">1. How can I set a cookie in JavaScript?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/namso-gen.co\/blog\/how-to-get-value-from-cookie-in-javascript\/#2_How_do_I_delete_a_cookie_in_JavaScript\" title=\"2. How do I delete a cookie in JavaScript?\">2. How do I delete a cookie in JavaScript?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/namso-gen.co\/blog\/how-to-get-value-from-cookie-in-javascript\/#3_Can_I_access_cookies_from_different_domains\" title=\"3. Can I access cookies from different domains?\">3. Can I access cookies from different domains?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/namso-gen.co\/blog\/how-to-get-value-from-cookie-in-javascript\/#4_What_is_the_difference_between_session_cookies_and_persistent_cookies\" title=\"4. What is the difference between session cookies and persistent cookies?\">4. What is the difference between session cookies and persistent cookies?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/namso-gen.co\/blog\/how-to-get-value-from-cookie-in-javascript\/#5_How_can_I_check_if_a_cookie_exists_in_JavaScript\" title=\"5. How can I check if a cookie exists in JavaScript?\">5. How can I check if a cookie exists in JavaScript?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/namso-gen.co\/blog\/how-to-get-value-from-cookie-in-javascript\/#6_Can_I_store_complex_data_in_cookies\" title=\"6. Can I store complex data in cookies?\">6. Can I store complex data in cookies?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/namso-gen.co\/blog\/how-to-get-value-from-cookie-in-javascript\/#7_Can_I_access_cookies_in_server-side_languages_like_PHP_or_Python\" title=\"7. Can I access cookies in server-side languages like PHP or Python?\">7. Can I access cookies in server-side languages like PHP or Python?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/namso-gen.co\/blog\/how-to-get-value-from-cookie-in-javascript\/#8_Are_cookies_secure\" title=\"8. Are cookies secure?\">8. Are cookies secure?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/namso-gen.co\/blog\/how-to-get-value-from-cookie-in-javascript\/#9_Can_I_access_cookies_in_different_browser_tabs\" title=\"9. Can I access cookies in different browser tabs?\">9. Can I access cookies in different browser tabs?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/namso-gen.co\/blog\/how-to-get-value-from-cookie-in-javascript\/#10_What_happens_if_cookies_are_disabled\" title=\"10. What happens if cookies are disabled?\">10. What happens if cookies are disabled?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/namso-gen.co\/blog\/how-to-get-value-from-cookie-in-javascript\/#11_Can_I_set_cookies_with_an_expiration_time_in_the_past_to_delete_them\" title=\"11. Can I set cookies with an expiration time in the past to delete them?\">11. Can I set cookies with an expiration time in the past to delete them?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/namso-gen.co\/blog\/how-to-get-value-from-cookie-in-javascript\/#12_Can_I_limit_the_scope_of_a_cookie_to_a_specific_path\" title=\"12. Can I limit the scope of a cookie to a specific path?\">12. Can I limit the scope of a cookie to a specific path?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"The_Steps\"><\/span>The Steps:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>1. **Define a function to retrieve the cookie**: To get the value from a cookie, we must first define a function that can access and retrieve the cookie&#8217;s value.<\/p>\n<p>&#8220;`javascript<br \/>\nfunction getCookie(cookieName) {<br \/>\n  const name = `${cookieName}=`;<br \/>\n  const cookies = document.cookie.split(&#8216;;&#8217;);<\/p>\n<p>  for (let i = 0; i < cookies.length; i++) {<br \/>\n    let cookie = cookies[i];<br \/>\n    while (cookie.charAt(0) === &#8216; &#8216;) {<br \/>\n      cookie = cookie.substring(1);<br \/>\n    }<br \/>\n    if (cookie.indexOf(name) === 0) {<br \/>\n      return cookie.substring(name.length, cookie.length);<br \/>\n    }<br \/>\n  }<br \/>\n  return &#8221;;<br \/>\n}<br \/>\n&#8220;`<\/p>\n<p>2. **Call the function with the cookie name**: To retrieve the value from a cookie, call the `getCookie` function and pass the name of the cookie you want to access.<\/p>\n<p>&#8220;`javascript<br \/>\nconst myCookieValue = getCookie(&#8216;myCookie&#8217;);<br \/>\nconsole.log(myCookieValue);<br \/>\n&#8220;`<\/p>\n<p>By following these two simple steps, you can easily retrieve the value from a cookie in JavaScript.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions\"><\/span>Frequently Asked Questions:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"1_How_can_I_set_a_cookie_in_JavaScript\"><\/span>1. How can I set a cookie in JavaScript?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\nTo set a cookie in JavaScript, you can use the `document.cookie` property and set it equal to a string in the format of &#8220;cookieName=cookieValue; expires=cookieExpirationDate; path=cookiePath&#8221;.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_How_do_I_delete_a_cookie_in_JavaScript\"><\/span>2. How do I delete a cookie in JavaScript?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\nTo delete a cookie, set its expiration date to a past date. For example, to delete a cookie named &#8220;myCookie&#8221;, you can use the following code:<br \/>\n&#8220;`javascript<br \/>\ndocument.cookie = &#8216;myCookie=; expires=Thu, 01 Jan 1970 00:00:00 UTC; path=\/;&#8217;;<br \/>\n&#8220;`<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_Can_I_access_cookies_from_different_domains\"><\/span>3. Can I access cookies from different domains?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\nNo, due to security measures, you can only access cookies from the same domain that set them.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4_What_is_the_difference_between_session_cookies_and_persistent_cookies\"><\/span>4. What is the difference between session cookies and persistent cookies?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\nSession cookies are temporary and expire as soon as the user closes their browser, while persistent cookies have an expiration date and remain on the user&#8217;s computer until that date is reached.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"5_How_can_I_check_if_a_cookie_exists_in_JavaScript\"><\/span>5. How can I check if a cookie exists in JavaScript?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\nYou can check if a cookie exists by calling the `getCookie` function mentioned earlier and checking if the returned value is empty or not.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"6_Can_I_store_complex_data_in_cookies\"><\/span>6. Can I store complex data in cookies?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\nCookies are primarily intended for storing small amounts of textual data. If you need to store complex data, consider using other methods like local storage or server-side storage.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"7_Can_I_access_cookies_in_server-side_languages_like_PHP_or_Python\"><\/span>7. Can I access cookies in server-side languages like PHP or Python?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\nYes, server-side languages have mechanisms to access and handle cookies in a similar way as JavaScript.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"8_Are_cookies_secure\"><\/span>8. Are cookies secure?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\nCookies alone are not secure as they are susceptible to attacks like cross-site scripting (XSS) and cross-site request forgery (CSRF). It is recommended to use additional security measures when dealing with sensitive data.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"9_Can_I_access_cookies_in_different_browser_tabs\"><\/span>9. Can I access cookies in different browser tabs?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\nYes, cookies are accessible across different browser tabs as long as they belong to the same domain.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"10_What_happens_if_cookies_are_disabled\"><\/span>10. What happens if cookies are disabled?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\nIf cookies are disabled, websites relying on cookies may not function properly, and some features may be inaccessible.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"11_Can_I_set_cookies_with_an_expiration_time_in_the_past_to_delete_them\"><\/span>11. Can I set cookies with an expiration time in the past to delete them?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\nYes, by setting the expiration date of a cookie to a time in the past, you essentially delete it from the user&#8217;s computer.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"12_Can_I_limit_the_scope_of_a_cookie_to_a_specific_path\"><\/span>12. Can I limit the scope of a cookie to a specific path?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\nYes, you can set the `path` attribute of a cookie to restrict its scope to a specific path on your website. By default, cookies are accessible from all paths on the same domain.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cookies are small pieces of data stored on a user&#8217;s computer by websites. They play a crucial role in web development by allowing websites to remember user preferences and track user behavior. In JavaScript, accessing and retrieving values from cookies is a straightforward process. Let&#8217;s dive into the steps involved in getting a value from &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"How to get value from cookie in JavaScript?\" class=\"read-more button\" href=\"https:\/\/namso-gen.co\/blog\/how-to-get-value-from-cookie-in-javascript\/#more-227988\">Read more<span class=\"screen-reader-text\">How to get value from cookie in JavaScript?<\/span><\/a><\/p>\n","protected":false},"author":57,"featured_media":107420,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[86279],"tags":[],"class_list":["post-227988","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-learn","no-featured-image-padding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to get value from cookie in JavaScript?<\/title>\n<meta name=\"description\" content=\"Cookies are small pieces of data stored on a user&#039;s computer by websites. They play a crucial role in web development by allowing websites to remember\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/namso-gen.co\/blog\/how-to-get-value-from-cookie-in-javascript\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to get value from cookie in JavaScript?\" \/>\n<meta property=\"og:description\" content=\"Cookies are small pieces of data stored on a user&#039;s computer by websites. They play a crucial role in web development by allowing websites to remember\" \/>\n<meta property=\"og:url\" content=\"https:\/\/namso-gen.co\/blog\/how-to-get-value-from-cookie-in-javascript\/\" \/>\n<meta property=\"og:site_name\" content=\"Namso Gen Blog - Free Credit Card Generator [100% Valid]\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/synchronyfinancial\" \/>\n<meta property=\"article:published_time\" content=\"2024-04-01T06:28:21+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/namso-gen.co\/blog\/wp-content\/uploads\/2024\/03\/faq.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"630\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Casey Mayer\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@synchrony\" \/>\n<meta name=\"twitter:site\" content=\"@synchrony\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Casey Mayer\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/namso-gen.co\/blog\/how-to-get-value-from-cookie-in-javascript\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/namso-gen.co\/blog\/how-to-get-value-from-cookie-in-javascript\/\"},\"author\":{\"name\":\"Casey Mayer\",\"@id\":\"https:\/\/namso-gen.co\/blog\/#\/schema\/person\/89e431077ef417dfaa131f435124f18f\"},\"headline\":\"How to get value from cookie in JavaScript?\",\"datePublished\":\"2024-04-01T06:28:21+00:00\",\"dateModified\":\"2024-04-01T06:28:21+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/namso-gen.co\/blog\/how-to-get-value-from-cookie-in-javascript\/\"},\"wordCount\":611,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/namso-gen.co\/blog\/#organization\"},\"articleSection\":[\"Learn\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/namso-gen.co\/blog\/how-to-get-value-from-cookie-in-javascript\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/namso-gen.co\/blog\/how-to-get-value-from-cookie-in-javascript\/\",\"url\":\"https:\/\/namso-gen.co\/blog\/how-to-get-value-from-cookie-in-javascript\/\",\"name\":\"How to get value from cookie in JavaScript?\",\"isPartOf\":{\"@id\":\"https:\/\/namso-gen.co\/blog\/#website\"},\"datePublished\":\"2024-04-01T06:28:21+00:00\",\"dateModified\":\"2024-04-01T06:28:21+00:00\",\"description\":\"Cookies are small pieces of data stored on a user's computer by websites. 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