diff --git a/src/_index.js b/src/_index.js
index f7e82ac..7a37ec4 100644
--- a/src/_index.js
+++ b/src/_index.js
@@ -6,14 +6,14 @@ import {
     getToggleState,
     getIndexById,
     getElements,
-    removeActiveClass, addActiveClass, getIdByIndex, log, getOptions
+    removeActiveClass, addActiveClass, getIdByIndex, log
 } from "./helpers";
 import {debounce} from "./utils";
 import {initSetup, onLoad, onResize} from "./methods";
 import {isLive, validBreakpoints} from "./responsive";
 import {scrollIntoView} from "./animation";
 import {CLASSES, ATTRS, DEFAULTS} from './configs';
-import {EventsManager} from "@phucbm/os-util";
+import {EventsManager, getOptionsFromAttribute} from "@phucbm/os-util";
 
 export class EasyTabAccordion{
     constructor(options){
@@ -24,6 +24,17 @@ export class EasyTabAccordion{
 
         // save options
         this.originalOptions = options;
+
+        // get options init by data attribute (JSON format)
+        this.options
+            = getOptionsFromAttribute({
+            target: this.wrapper,
+            defaultOptions: {...DEFAULTS, ...options},
+            attributeName: ATTRS.container,
+            numericValues: ['duration', 'activeSection'],
+            dev: DEFAULTS.dev
+        });
+
         // init
         this.init();
 
@@ -42,9 +53,6 @@ export class EasyTabAccordion{
     };
 
     init(){
-        // setup
-        this.options = {...DEFAULTS, ...this.originalOptions};
-
         if(!this.options.el){
             log(this, 'warn', 'ETA Error, target not found!');
             return;
@@ -75,9 +83,6 @@ export class EasyTabAccordion{
         const animationValue = this.wrapper.getAttribute(ATTRS.animation);
         this.options.animation = animationValue !== null ? animationValue : this.options.animation;
 
-        // get options init by data attribute (JSON format)
-        this.options = getOptions(this);
-
         // assign id to wrapper
         this.wrapper.setAttribute(ATTRS.container, this.id);
 
diff --git a/src/helpers.js b/src/helpers.js
index dae4654..948bd19 100644
--- a/src/helpers.js
+++ b/src/helpers.js
@@ -191,59 +191,6 @@ export function log(context, status, ...message){
     }
 }
 
-
-/**
- * Get JSON options
- * ID priority: data-attribute > selector#id > unique id
- * @version 0.0.1
- * @returns {object}
- */
-export function getOptions(context, defaultOptions){
-    if(!defaultOptions){
-        defaultOptions = context.options || context.config || {};
-    }
-
-    const numeric = ['duration', 'activeSection']; // convert these props to float
-    const wrapper = context.wrapper;
-
-    // options from attribute
-    let dataAttribute = wrapper.getAttribute(ATTRS.container);
-    let options = {};
-
-    // data attribute doesn't exist or not JSON format -> string
-    const attributeIsNotJSON = !dataAttribute || !isJSON(dataAttribute);
-
-    // data attribute is not json format or string
-    if(attributeIsNotJSON){
-        options = {...defaultOptions};
-
-        // data attribute exist => string
-        if(dataAttribute) options.id = dataAttribute;
-        else options.id = '';
-    }else{
-        options = JSON.parse(dataAttribute);
-
-        for(const [key, value] of Object.entries(options)){
-            // convert boolean string to real boolean
-            if(value === "false") options[key] = false;
-            else if(value === "true") options[key] = true;
-            // convert string to float
-            else if(numeric.includes(key) && typeof value === 'string' && value.length > 0) options[key] = parseFloat(value);
-            else options[key] = value;
-        }
-    }
-
-    // reassign id
-    const id = options.id || wrapper.id || defaultOptions.id;
-    context.id = id;
-    options.id = id;
-
-    options = {...defaultOptions, ...options};
-
-    return options;
-}
-
-
 /**
  * Is JSON string
  * https://stackoverflow.com/a/32278428/6453822