diff --git a/static/script/editor.js b/static/script/editor.js
index 92f7e7f..a258823 100644
--- a/static/script/editor.js
+++ b/static/script/editor.js
@@ -15,15 +15,28 @@ require(["vs/editor/editor.main"], function () {
     /** @type {string[]} */
     const supported_langs = get_langs();
 
+    let cache_key = 'sandy-cached-code';
+    const storage = window.localStorage;
+
     let editor = monaco.editor.create(document.getElementById('container'), {
-        value: '# put code here',
+        value: storage.getItem(cache_key) ?? '# put code here',
         language: init_lang,
         theme: 'vs-dark' 
     });
 
-    editor.addListener('didType', () => {
+    function upd_code() {
         window.code = editor.getValue();
-    });
+        storage.setItem(cache_key, window.code);
+    }
+    function timer_code() {
+        setTimeout(() => {
+            timer_code()
+            upd_code();
+        }, 500);
+    }
+
+    editor.addListener('didType', () => upd_code);
+    timer_code();
 
     monaco.languages.getLanguages().forEach(x => {
         if (supported_langs.indexOf(x.id) === -1) return