I am confused when I read the vue source code for the first time today.
I am confused when I read the vue source code for the first time today.
thanks for medicine
function Obj(){
}
Obj.a=1
Obj.d=4
Obj.prototype.a=2
var c=new Obj()
console.log(c.a)//2
console.log(c.d)//undefined
subcomponents (classes) can inherit methods of parent components (classes) through prototype, while directly defined methods cannot be used in subcomponents
you can think of Vue as a class (that is, class Vue {} in ES6 or function Vue () {} in ES5).
figure, Vue.use is the class method of Vue , that is, the method called directly through Vue.use () . This method is used to extend the plug-ins of Vue . If you want to use some plug-ins in the project, such as Element UI , you need to introduce them through this method.
and the method defined by Vue.pototype.fun is a method used within a Vue component, that is, if you want to use the method fun , you need to call it within the component defined with Vue , not directly using Vue.fun .
the difference between static methods and instance methods. Vue.prototype.fun is the add instance method, and Vue.fun is the add static method.
is the difference between class methods and instance methods
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