diff --git a/.gitignore b/.gitignore
index c35f9d1..ecae11e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 
 test.html
+node_modules/
diff --git a/dist/ffnm.min.js b/dist/ffnm.min.js
index d960636..7a74cc9 100644
--- a/dist/ffnm.min.js
+++ b/dist/ffnm.min.js
@@ -12,13 +12,15 @@ var EVENTS;
 // FUNCTIONS
 //===
 function validateSyntax() {
-    // Check every event
-    var eventsKeys = Object.keys(EVENTS).filter(function (key) { return !isNaN(Number(EVENTS[key])); });
-    eventsKeys.forEach(function (event) {
-        var ddd = document.querySelector("[" + event + "]").length;
-        console.log(ddd);
-    });
-    return true;
+    // Get every items from EVENTS
+    var eventsKeys = R.filter(function (key) { return !isNaN(Number(EVENTS[key])); }, Object.keys(EVENTS));
+    // Check all event syntax
+    return eventsKeys.map(function (event) {
+        return R.map(function (element) {
+            console.log(element.getAttribute(event));
+            return /^${event}/.test(element.getAttribute(event));
+        }, document.querySelectorAll("[" + event + "]")).every(function (item) { return item; });
+    }).every(function (event) { return event; });
 }
 //===
 // LINTER
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..56d903f
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,11 @@
+{
+  "requires": true,
+  "lockfileVersion": 1,
+  "dependencies": {
+    "@types/ramda": {
+      "version": "github:types/npm-ramda#9529aa3c8ff70ff84afcbc0be83443c00f30ea90",
+      "from": "github:types/npm-ramda#dist",
+      "dev": true
+    }
+  }
+}
diff --git a/src/core.ts b/src/core.ts
index 68008e0..a3276e9 100644
--- a/src/core.ts
+++ b/src/core.ts
@@ -1,3 +1,4 @@
+
 //===
 // VARIABLES
 //===
@@ -8,13 +9,16 @@ enum EVENTS {'i-click', 'i-scroll-up', 'i-scroll-down', 'i-hover'}
 //===
 function validateSyntax(): boolean {
 
-    // Check every event
-    let eventsKeys = Object.keys(EVENTS).filter(key => !isNaN(Number(EVENTS[key])));
-    eventsKeys.forEach((event) => {
-        let ddd = document.querySelector(`[${event}]`).length
-        console.log(ddd)
-    })
-    return true
+    // Get every items from EVENTS
+    let eventsKeys: string[] = R.filter(key => !isNaN(Number(EVENTS[key])), Object.keys(EVENTS));
+
+    // Check all event syntax
+    return eventsKeys.map((event) => {
+        return R.map((element) => {
+            console.log(element.getAttribute(event))
+            return /^${event}/.test(element.getAttribute(event))
+        }, document.querySelectorAll(`[${event}]`)).every(item => item)
+    }).every(event => event)
 }
 
 
diff --git a/tsconfig.json b/tsconfig.json
new file mode 100644
index 0000000..7373e02
--- /dev/null
+++ b/tsconfig.json
@@ -0,0 +1,9 @@
+{
+    "compilerOptions": {
+        "lib": [
+            "es6",
+            "dom",
+            "dom.iterable"
+        ]
+    }
+}