JSFiddle - React, Tailwind, and code Playground

by kixi

JavaScript

/**定义一个animal类*/  
function Animal(){  
    this.name = "Animal";  
    this.showName = function(){  
        alert(this.name);  
    }  
}  
/**定义一个Cat类*/  
function Cat(){  
    this.name = "Cat";  
}  
  
/**创建两个类对象*/  
var animal = new Animal();  
var cat = new Cat();  
  
//通过call或apply方法，将原本属于Animal对象的showName()方法交给当前对象cat来使用了。  
//输入结果为"Cat"  
animal.showName.call(cat,",");  
//animal.showName.apply(cat,[]);