Util:

Use of window:

window.variableName means that the variable is being declared at the global scope.

window.baseurl = "/";

The $

$root = The main app.js or index.js where vue is initiate!

``

###### Current year:

const year = new Date().toISOString().slice(0, 4);

###### Object Length:

Object.keys(check).length;

###### Add More:

// Formula 01:

// Vue SFC: <button @click=" data.length.push({ duration: '', }) " class="btn btn-sm btn-primary float-right" type="button"

Add More

// Remove script: removeItem(id) { this.data.length.splice(id, 1); },

###### Validation:

* Remove validation:
* ```

  "data.is_former"(current, old) {

      if (current !== old) {
        this.validation.reset(); <----
      }
    },