SQL

js/register.js

@@ -0,0 +1,10 @@
+window.addEventListener("load", function () {
+    let passwd = this.document.getElementById("passwd");
+    let passwd_conf = this.document.getElementById("conf_passwd");
+    
+    passwd_conf.addEventListener("change", function(){
+        this.style.border += "red";
+        let error = document.getElementById("error");
+        error.style.display = "block";
+    });
+});