JavaScript What is the nodejs equivalent of PHP trait

In JavaScript you can use any function as trait method

function sayHello() {
  console.log("Hello " + this.me + "!");
}

class TheWorld {
  constructor() {
    this.me = 'world';
  }
}

TheWorld.prototype.sayHello = sayHello;
var o = new TheWorld();
o.sayHello();
Answer:1

I'm stuck with this problem for 3 days now... Someone please help me. Challenge 5 Construct a function intersection that compares input arrays and returns a new array with elements found in all ...

I'm stuck with this problem for 3 days now... Someone please help me. Challenge 5 Construct a function intersection that compares input arrays and returns a new array with elements found in all ...

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I have multiple arrays of promises Each array is put inside a Promise.all() The then() of each Promise.all() adds data to a tempObject I need to set the tempObject to state after then() of all ...

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Is there a way to do both ( toLowerCase and includes ) in one go like below? let x = this.state.outreach.arival.toLowerCase(includes("likely"))

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