{"id":1218,"date":"2022-08-16T09:31:03","date_gmt":"2022-08-16T09:31:03","guid":{"rendered":"https:\/\/mklasen.com\/?p=1218"},"modified":"2022-08-16T09:34:56","modified_gmt":"2022-08-16T09:34:56","slug":"detecting-the-users-global-location-using-javascript","status":"publish","type":"post","link":"https:\/\/mklasen.com\/detecting-the-users-global-location-using-javascript\/","title":{"rendered":"Detecting the user’s global location using javascript"},"content":{"rendered":"\n

A while back I wanted to show\/hide a box on my website based on the location of the visitor. There’s a couple of options to get the user location:<\/p>\n\n\n\n

  1. Use an API which you send the IP address to and get a location back (find services by googling “geolocation ip address api”)<\/li>
  2. Ask for the user location via the browser’s geolocation API (example here<\/a>)<\/li>
  3. A global approach: get the user’s timezone (see below!)<\/li><\/ol>\n\n\n\n

    The first one is quite privacy-sensitive, it usually requires sending the user IP to a third-party or keeping a database of IP’s and locations yourself.<\/p>\n\n\n\n

    The second one gives the user a pop-up; “Hey, could you give me your location so I can decide if I show you this box or not?”<\/em> That’s a no-go as well.<\/p>\n\n\n\n

    The third option: Requesting the user’s timezone<\/h2>\n\n\n\n

    Now, this one is interesting – it might not always give me the precise location, but I am OK with that. When I edit the timezone in my system preferences, the browser reports the change back immediately, and most users have the auto-detection of timezone enabled.<\/p>\n\n\n\n

    How does that work?<\/strong><\/p>\n\n\n\n

    We’ll use the Intl.DateTimeFormat().resolvedOptions().timeZone<\/code> function to get the timezone. And, since I want to show\/hide the box based on “In Europe” or “outside of Europe”, this is the code I came up with:<\/p>\n\n\n\n

    document.addEventListener(\"DOMContentLoaded\", () => {\n\tlet elem = document.querySelector(\".the-box-class\");\n\n\tif (elem !== null) {\n\t\tconst tz = Intl.DateTimeFormat().resolvedOptions().timeZone;\n\t\tif (tz.includes('Europe')) {\n\t\t\telem.style.opacity = 0;\n\t\t}\n\t}\n});<\/code><\/pre>\n\n\n\n
    Easy does it!<\/p>\n\n\n\n
    Happy developing!<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"
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There’s a couple of options to get the user location: Use an API which you send the IP address to and get a location back (find services by googling “geolocation ip address api”) Ask for the […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[1],"tags":[],"acf":[],"yoast_head":"\nDetecting the user's global location using javascript - Marinus Klasen<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mklasen.com\/detecting-the-users-global-location-using-javascript\/\" \/>\n<meta property=\"og:locale\" content=\"nl_NL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Detecting the user's global location using javascript - Marinus Klasen\" \/>\n<meta property=\"og:description\" content=\"A while back I wanted to show\/hide a box on my website based on the location of the visitor. 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