Object-oriented: class instance is based on an object
Based Object: no instance of the object directly
The introduction of way
1、<script> </script>
2, introduction of formula <script src = ' "text.js"> </ script>
Object-oriented: class instance is based on an object
Based Object: no instance of the object directly
The introduction of way
1、<script> </script>
2, introduction of formula <script src = ' "text.js"> </ script>