RunKit + 
Try any Node.js package right in your browser
This is a playground to test code. It runs a full Node.js environment and already has all of npm’s 1,000,000+ packages pre-installed, including private-class. Try it out:
const priv = require('private-class');
const Person = priv(class Person {
constructor(name, age) {
this._name = name;
this._age = age;
}
get age() {
return this._age;
}
set age(value) {
this._age = value;
}
name() {
return this._name;
}
});
const p = new Person('Andrea', 40);
// public function are visible
console.log(typeof p.name);
// <-- function
// public getter & setter are visible
p.age = 41;
console.log(p.age);
// <-- 41
// public function can read private fields
console.log(p.name());
// <-- Andrea
// extern code can not read private fields
console.log(p._name);
// <-- undefined
console.log(p._age);
// <-- undefined
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require()any package directly from npm- use arrow functions, classes, template strings, and most of ES6
awaitany promise instead of using callbacks (example)- create your own embedded node.js snippets
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