promise-playground.js

let myAsyncFunctionThatReturnsPromise = new Promise((resolve, reject) => {
  setTimeout(function(){
    resolve("Success!")
  }, 2500)
  
})

let foo1 = Promise.resolve()
     .then(function(){  callUndefinedFunction() })
     .catch((e)=> console.log(`Error: ${e}`))

 let foo2 = Promise.reject('Promise was Rejected')
     .then(function(){  throw Error('x') })
     .catch((e)=> {
       console.log(`Error: ${e}`)
       callUndefineFunctionHereAtCathcBlock()
     })



myAsyncFunctionThatReturnsPromise.then((resolvedValue) => {
  console.log(`resolvedValue: ${resolvedValue}`)
}).catch( (error) => {
 	console.log(`resolvedValue: ${resolvedValue}`)
})
 
new Promise((_, reject) => reject(new Error('woops'))).
  catch(error => {
    // Will not execute
    console.log('caught', error.message);
})