Refactor and IE compatibility

.eslintrc.json

@@ -9,6 +9,7 @@
     "no-plusplus": "off",
     "no-cond-assign": "off",
     "func-names": "off",
+    "no-continue": "off",
     "no-bitwise": "off",
     "class-methods-use-this": "off",
     "prefer-destructuring": "off",

package.json

@@ -6,7 +6,7 @@
   "types": "types/index.d.ts",
   "scripts": {
     "start": "node server.js",
-    "build-demo": "NODE_ENV=production webpack --config webpack.config.dev.js",
+    "build-demo": "NODE_ENV=production webpack --config webpack.config.demo.js",
     "build": "webpack --config webpack.config.prod.js"
   },
   "bugs": {

server.js

@@ -2,7 +2,7 @@ const webpack = require('webpack');
 const WebpackDevServer = require('webpack-dev-server');
 const opn = require('opn');
 
-const config = require('./webpack.config.dev');
+const config = require('./webpack.config.demo');
 
 const PORT = 3000;
 const HOST = 'localhost';

src/core/element.js

@@ -219,9 +219,9 @@ export default class Element {
     this.node.classList.remove(CLASS_POSITION_RELATIVE);
 
     const stackFixes = this.document.querySelectorAll(`.${CLASS_FIX_STACKING_CONTEXT}`);
-    stackFixes.forEach((stackFix) => {
-      stackFix.classList.remove(CLASS_FIX_STACKING_CONTEXT);
-    });
+    for (let counter = 0; counter < stackFixes.length; counter++) {
+      stackFixes[counter].classList.remove(CLASS_FIX_STACKING_CONTEXT);
+    }
   }
 
   /**

src/index.js

@@ -248,14 +248,14 @@ export default class Driver {
   defineSteps(steps) {
     this.steps = [];
 
-    steps.forEach((step, index) => {
-      const element = this.prepareElementFromStep(step, steps, index);
+    for (let counter = 0; counter < steps.length; counter++) {
+      const element = this.prepareElementFromStep(steps[counter], steps, counter);
       if (!element) {
-        return;
+        continue;
       }
 
       this.steps.push(element);
-    });
+    }
   }
 
   /**