1 files changed, 39 insertions, 5 deletions
diff --git a/assets/js/less.js b/assets/js/less.js
index 44c0408..3221f4a 100644
--- a/assets/js/less.js
+++ b/assets/js/less.js
@@ -1,6 +1,40 @@
-console.log(99)
-
-$(document).on('click', '#btn-dark', function(e) {
+const $btnDark = document.getElementById('btn-dark')
+const $body = document.getElementsByTagName('body')
+$btnDark.addEventListener('click', e => {
     e.preventDefault()
-    $('body').toggleClass('dark')
-})
-\ No newline at end of file
+    $body[0].classList.toggle('dark')
+    if (getCookie('dark') === "") {
+        setCookie('dark', 'true', 7 * 24 * 60 * 60)
+    } else {
+        removeCookie('dark')
+    }
+})
+
+if (getCookie('dark') === 'true') {
+    $body[0].classList.add('dark')
+}
+
+function setCookie(key, value, second) {
+    let d = new Date();
+    d.setTime(d.getTime() + (second * 1000));
+    let expires = "expires=" + d.toGMTString();
+    document.cookie = key + "=" + value + "; " + expires + "; path=/";
+}
+
+function removeCookie(key) {
+    let d = new Date();
+    d.setTime(d.getTime() - 1);
+    let expires = "expires=" + d.toGMTString();
+    document.cookie = key + "=;" + expires + "; path=/";
+}
+
+function getCookie(key) {
+    let name = key + "=";
+    let ca = document.cookie.split(';');
+    for (let i = 0; i < ca.length; i++) {
+        let c = ca[i].trim();
+        if (c.indexOf(name) === 0) return c.substring(name.length, c.length);
+    }
+
+    return "";
+}