{"id":257495,"date":"2024-06-09T04:31:49","date_gmt":"2024-06-09T04:31:49","guid":{"rendered":"https:\/\/namso-gen.co\/blog\/?p=257495"},"modified":"2024-06-09T04:31:49","modified_gmt":"2024-06-09T04:31:49","slug":"how-to-set-cookie-value-in-javascript-2","status":"publish","type":"post","link":"https:\/\/namso-gen.co\/blog\/how-to-set-cookie-value-in-javascript-2\/","title":{"rendered":"How to set cookie value in JavaScript?"},"content":{"rendered":"<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-set-cookie-value-in-javascript-2\/#How_to_set_cookie_value_in_JavaScript\" title=\"How to set cookie value in JavaScript?\">How to set cookie value in JavaScript?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/namso-gen.co\/blog\/how-to-set-cookie-value-in-javascript-2\/#Related_FAQs\" title=\"Related FAQs\">Related FAQs<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/namso-gen.co\/blog\/how-to-set-cookie-value-in-javascript-2\/#1_What_is_a_cookie_in_JavaScript\" title=\"1. What is a cookie in JavaScript?\">1. What is 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-set-cookie-value-in-javascript-2\/#2_How_long_can_a_cookie_be_stored_in_JavaScript\" title=\"2. How long can a cookie be stored in JavaScript?\">2. How long can a cookie be stored 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-set-cookie-value-in-javascript-2\/#3_What_is_the_purpose_of_setting_a_cookie\" title=\"3. What is the purpose of setting a cookie?\">3. What is the purpose of setting a cookie?<\/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-set-cookie-value-in-javascript-2\/#4_Can_I_set_a_cookie_without_an_expiration_date\" title=\"4. Can I set a cookie without an expiration date?\">4. Can I set a cookie without an expiration date?<\/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-set-cookie-value-in-javascript-2\/#5_How_can_I_retrieve_a_cookie_value_using_JavaScript\" title=\"5. How can I retrieve a cookie value using JavaScript?\">5. How can I retrieve a cookie value using 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-set-cookie-value-in-javascript-2\/#6_Is_it_possible_to_edit_or_delete_a_cookie\" title=\"6. Is it possible to edit or delete a cookie?\">6. Is it possible to edit or delete a cookie?<\/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-set-cookie-value-in-javascript-2\/#7_Can_two_cookies_have_the_same_name\" title=\"7. Can two cookies have the same name?\">7. Can two cookies have the same name?<\/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-set-cookie-value-in-javascript-2\/#8_Are_cookies_secure_for_storing_sensitive_data\" title=\"8. Are cookies secure for storing sensitive data?\">8. Are cookies secure for storing sensitive data?<\/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-set-cookie-value-in-javascript-2\/#9_Can_I_use_cookies_to_track_user_activity_across_different_websites\" title=\"9. Can I use cookies to track user activity across different websites?\">9. Can I use cookies to track user activity across different websites?<\/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-set-cookie-value-in-javascript-2\/#10_How_many_cookies_can_be_stored_on_a_users_browser\" title=\"10. How many cookies can be stored on a user&#8217;s browser?\">10. How many cookies can be stored on a user&#8217;s browser?<\/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-set-cookie-value-in-javascript-2\/#11_Can_I_set_a_cookie_using_a_different_scripting_language_such_as_PHP\" title=\"11. Can I set a cookie using a different scripting language, such as PHP?\">11. Can I set a cookie using a different scripting language, such as PHP?<\/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-set-cookie-value-in-javascript-2\/#12_Is_it_recommended_to_use_cookies_for_storing_large_amounts_of_data\" title=\"12. Is it recommended to use cookies for storing large amounts of data?\">12. Is it recommended to use cookies for storing large amounts of data?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"How_to_set_cookie_value_in_JavaScript\"><\/span>How to set cookie value in JavaScript?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Setting a cookie value in JavaScript is a fundamental task and can be achieved using a few simple steps. By setting a cookie, you can store information on the user&#8217;s browser for future use. Here is a step-by-step guide on how to set the cookie value in JavaScript:<\/p>\n<p>1. Begin by creating a function to set the cookie value:<br \/>\n&#8220;`javascript<br \/>\nfunction setCookie(name, value, days) {<br \/>\n  var expires = &#8220;&#8221;;<br \/>\n  if (days) {<br \/>\n    var date = new Date();<br \/>\n    date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));<br \/>\n    expires = &#8220;; expires=&#8221; + date.toUTCString();<br \/>\n  }<br \/>\n  document.cookie = name + &#8220;=&#8221; + encodeURIComponent(value) + expires + &#8220;; path=\/&#8221;;<br \/>\n}<br \/>\n&#8220;`<br \/>\n2. In the function above, the parameters represent:<br \/>\n   &#8211; `name`: The name of the cookie.<br \/>\n   &#8211; `value`: The value to be stored in the cookie.<br \/>\n   &#8211; `days`: (Optional) The number of days until the cookie expires.<\/p>\n<p>3. The `expires` variable is used to set the expiration date for the cookie. If the `days` parameter is provided, the expiration date will be calculated and appended to the cookie string.<\/p>\n<p>4. The `document.cookie` line sets the actual cookie by concatenating the name, value, expiration, and path attributes.<\/p>\n<p>5. Finally, you can call this function and pass the necessary parameters to set the cookie value. For example:<br \/>\n&#8220;`javascript<br \/>\nsetCookie(&#8220;username&#8221;, &#8220;John Doe&#8221;, 7);<br \/>\n&#8220;`<br \/>\nThis code will set a cookie named &#8220;username&#8221; with the value &#8220;John Doe&#8221;, which will expire after 7 days.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Related_FAQs\"><\/span>Related FAQs<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h3><span class=\"ez-toc-section\" id=\"1_What_is_a_cookie_in_JavaScript\"><\/span>1. What is a cookie in JavaScript?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\nA cookie is a small piece of data stored on the user&#8217;s computer by the web browser, allowing websites to remember user-specific information.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_How_long_can_a_cookie_be_stored_in_JavaScript\"><\/span>2. How long can a cookie be stored in JavaScript?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\nBy default, a cookie is stored until the browser session ends. However, you can set an expiration date for the cookie, which will determine how long it persists on the user&#8217;s browser.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_What_is_the_purpose_of_setting_a_cookie\"><\/span>3. What is the purpose of setting a cookie?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\nSetting a cookie allows websites to store information on the user&#8217;s browser, enabling personalized experiences, remembering login details, and tracking user behavior.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4_Can_I_set_a_cookie_without_an_expiration_date\"><\/span>4. Can I set a cookie without an expiration date?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\nYes, you can set a cookie without an expiration date. In that case, it will be removed once the user closes their browser.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"5_How_can_I_retrieve_a_cookie_value_using_JavaScript\"><\/span>5. How can I retrieve a cookie value using JavaScript?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\nYou can retrieve a cookie value using the `document.cookie` property. However, it returns all the cookies as a string, so some parsing may be required to extract the desired value.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"6_Is_it_possible_to_edit_or_delete_a_cookie\"><\/span>6. Is it possible to edit or delete a cookie?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\nYes, you can edit or delete a cookie by setting a new value with the same name and an updated expiration date or by deleting the cookie using JavaScript.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"7_Can_two_cookies_have_the_same_name\"><\/span>7. Can two cookies have the same name?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\nNo, two cookies cannot have the same name within the same domain. If you set a new cookie with the same name, it will overwrite the previous one.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"8_Are_cookies_secure_for_storing_sensitive_data\"><\/span>8. Are cookies secure for storing sensitive data?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\nNo, cookies are not secure for storing sensitive data. They can be accessed and manipulated by the user, so sensitive information should be stored in more secure ways, such as server-side sessions or databases.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"9_Can_I_use_cookies_to_track_user_activity_across_different_websites\"><\/span>9. Can I use cookies to track user activity across different websites?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\nCookies are only accessible within the domain that sets them. Therefore, they cannot be used to track user activity across different websites.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"10_How_many_cookies_can_be_stored_on_a_users_browser\"><\/span>10. How many cookies can be stored on a user&#8217;s browser?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\nThere is a limit to the number of cookies that can be stored on a user&#8217;s browser, which varies among different browsers. The limit is typically several thousand cookies per domain.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"11_Can_I_set_a_cookie_using_a_different_scripting_language_such_as_PHP\"><\/span>11. Can I set a cookie using a different scripting language, such as PHP?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\nYes, cookies can be set using different scripting languages. Each language has its own syntax and methods for creating cookies, but the concept remains the same.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"12_Is_it_recommended_to_use_cookies_for_storing_large_amounts_of_data\"><\/span>12. Is it recommended to use cookies for storing large amounts of data?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\nNo, cookies have limited storage capacity (usually around 4KB). If you need to store large amounts of data, it is better to use other methods, such as server-side storage or databases.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>How to set cookie value in JavaScript? Setting a cookie value in JavaScript is a fundamental task and can be achieved using a few simple steps. By setting a cookie, you can store information on the user&#8217;s browser for future use. Here is a step-by-step guide on how to set the cookie value in JavaScript: &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"How to set cookie value in JavaScript?\" class=\"read-more button\" href=\"https:\/\/namso-gen.co\/blog\/how-to-set-cookie-value-in-javascript-2\/#more-257495\">Read more<span class=\"screen-reader-text\">How to set cookie value in JavaScript?<\/span><\/a><\/p>\n","protected":false},"author":65,"featured_media":107420,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[86279],"tags":[],"class_list":["post-257495","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 set cookie value in JavaScript?<\/title>\n<meta name=\"description\" content=\"How to set cookie value in JavaScript? 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