250307.1 · refactor: use const to replace var (#593)
const addon = require('bindings')('addon');
const obj = new addon.MyObject(10);
console.log( obj.plusOne() ); // 11
console.log( obj.plusOne() ); // 12
console.log( obj.plusOne() ); // 13
console.log( obj.multiply().value ); // 13
console.log( obj.multiply(10).value ); // 130
const newobj = obj.multiply(-1);
console.log( newobj.value ); // -13
console.log( obj === newobj ); // false