Log for OwO

js

a = ()=>{b: 1}
console.log(a().b)

source_file.js:2
console.log(a().b)
               ^

TypeError: Cannot read property 'b' of undefined
    at Object.<anonymous> (source_file.js:2:16)
    at Module._compile (module.js:410:26)
    at Object.Module._extensions..js (module.js:417:10)
    at Module.load (module.js:344:32)
    at Function.Module._load (module.js:301:12)
    at Function.Module.runMain (module.js:442:10)
    at startup (node.js:136:18)
    at node.js:966:3

js

let a = ()=>{b: 1}
console.log(a())

source_file.js:1
(function (exports, require, module, __filename, __dirname) { let a = ()=>{b: 1}
                                                              ^^^

SyntaxError: Block-scoped declarations (let, const, function, class) not yet supported outside strict mode
    at exports.runInThisContext (vm.js:53:16)
    at Module._compile (module.js:374:25)
    at Object.Module._extensions..js (module.js:417:10)
    at Module.load (module.js:344:32)
    at Function.Module._load (module.js:301:12)
    at Function.Module.runMain (module.js:442:10)
    at startup (node.js:136:18)
    at node.js:966:3

js

console.log(()=>{b:1}().b)

source_file.js:1
(function (exports, require, module, __filename, __dirname) { console.log(()=>{b:1}().b)
                                                                                     ^

TypeError: Cannot read property 'b' of undefined
    at Object.<anonymous> (source_file.js:1:86)
    at Module._compile (module.js:410:26)
    at Object.Module._extensions..js (module.js:417:10)
    at Module.load (module.js:344:32)
    at Function.Module._load (module.js:301:12)
    at Function.Module.runMain (module.js:442:10)
    at startup (node.js:136:18)
    at node.js:966:3

js

var a = ()=>({b: 1})
console.log(a().b)

1

js

var a = 36, b = 24, remain = a % b;
while(remain > 0) {
  {a, b} = {b, remain}
  remain = a % b
}
console.log(b)

source_file.js:3
  {a, b} = {b, remain}
         ^

SyntaxError: Unexpected token =
    at exports.runInThisContext (vm.js:53:16)
    at Module._compile (module.js:374:25)
    at Object.Module._extensions..js (module.js:417:10)
    at Module.load (module.js:344:32)
    at Function.Module._load (module.js:301:12)
    at Function.Module.runMain (module.js:442:10)
    at startup (node.js:136:18)
    at node.js:966:3

js

var a = 36, b = 24, remain = a % b;
while(remain != 0) {
  a = b;
  b = remain;
  remain = a % b
}
console.log(b)

12