[JavaScript] JavaScript通过Prototype实现面向对象 →→→→→进入此内容的聊天室

来自 , 2021-03-18, 写在 JavaScript, 查看 130 次.
URL http://www.code666.cn/view/3dcaf04c
  1.  
  2. function Cat(name, color) {
  3.     this.name = name;
  4.     this.color = color;
  5. }
  6. Cat.prototype.type = 'mammal';
  7. Cat.prototype.eat = function() { console.log('eat fish'); };
  8. var cat1 = new Cat('Kitty', 'white');
  9. var cat2 = new Cat('Smokey', 'black');
  10. console.log(cat1.type); // mammal
  11. console.log(cat1.eta === cat2.eta);     // TRUE, same reference
  12. console.log(cat1.constructor === Cat)   // TRUE, from Person.prototype
  13. //javascript/6960

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