a ={
x:function(){console.log(1)}
}
function B(){
this.y = function(){}
} think var b = new B ();
b = {
x:...,
y:....
}how to implement
a ={
x:function(){console.log(1)}
}
function B(){
this.y = function(){}
} think var b = new B ();
b = {
x:...,
y:....
}how to implement
new to attach the method in object a to the prototype of B.
Object.keys(a).forEach(function(v) {
B.prototype[v] = a[v]
})
var b = new B()you can also copy the methods in object a directly into b after new (of course, this may overwrite the methods in the constructor
var b = new B()
Object.keys(a).forEach(function(v) {
b[v] = a[v]
})if you just want to simply put a.x into b, the simplest thing is b.x = a.x. Since you didn't mention the specific needs, you might as well refer to the boss upstairs.
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