4-callbacks.js

setTimeout(() => {
    console.log('Two Seconds are up')
}, 2000)

const names = ['Varun', 'Andrew', 'Jess']
const snames = names.filter((name) => {
    return name.length <= 4
})

// const geocode = (address, callback) => {
//     setTimeout(()  => {
//           const data = {
//               latitude: 0,
//               longitude: 0
//           }
//           callback(data)
//     }, 2000)
// }

// geocode('Philadelphia', (data)=>{
//     console.log(data)
// })

const add = (x, y, callback) => {
    setTimeout(()  => {
          const data = x+ y
          callback(data)
    }, 2000)
}

add(2, 3, (sum)=>{
    console.log(sum)
})