Renamed AJAX variable, JS code style, added ESLint config

composer.json

@@ -1,6 +1,6 @@
 {
   "name": "stklcode/wp-liveticker2",
-  "version": "1.0.0-alpha",
+  "version": "1.0.0-beta",
   "description": "A simple Liveticker for Wordpress.",
   "keywords": [
     "wordpress",
@@ -32,7 +32,8 @@
     "wp-coding-standards/wpcs": "~0.14",
     "patchwork/jsqueeze": "^2.0.5",
     "natxet/CssMin": "^3.0.5",
-    "matthiasmullie/minify": "^1.3"
+    "matthiasmullie/minify": "^1.3",
+    "npm-asset/eslint-config-wordpress": "^2.0"
   },
   "scripts": {
     "post-install-cmd": [
@@ -70,5 +71,11 @@
       "minifycss styles/wp-liveticker2.css > styles/wp-liveticker2.min.css",
       "minifyjs scripts/wp-liveticker2.js > scripts/wp-liveticker2.min.js"
     ]
-  }
+  },
+  "repositories": [
+    {
+      "type": "composer",
+      "url": "https://asset-packagist.org"
+    }
+  ]
 }