rehasantiago

function foo() {
 let a = b = 0;
 a++;
 return a;
}
foo();
console.log(typeof a);
console.log(typeof b);

rehasantiago

<script>
// Debouncing in Javascript
let counter = 0;
const getData = () => {
  // calls an API and gets Data
  console.log("Fetching Data ..", counter++);
}

const debounce = function (fn, d) {
  let timer;

rehasantiago

let song1 = {
    song: 'Blank Space',
    getSong: function() {
        console.log(this.song);
    }
};
let song2 = {
    song: 'Levitating',
};
let song3 = {

rehasantiago

let song1 = {
    song: 'Blank Space',
    getSong: function() {
        console.log(this.song);
    }
};
let song2 = {
    song: 'Shape of you',
};

rehasantiago

let song = {
    songName: 'Blank Space',
    getSong: function() {
        console.log(this.songName);
    }
};
let song1 = song.getSong.bind(song); // Blank Space
setTimeout(song1, 1000);

rehasantiago

let song = {
    songName: 'Blank Space',
    getSong: function() {
        console.log(this.songName);
    }
    
}
let song1 = song.getSong;
setTimeout(song1, 1000);// undefined

rehasantiago

let song = {
    songName: 'Blank Space',
    getSong: function() {
        console.log(this.songName);
    }
}
setTimeout(song.getSong, 1000)// undefined

rehasantiago

function singerName() {
    console.log(this.name);
    
}
let singer1 = {name: 'Taylor Swift'};
let taylor = singerName.bind(singer1);
taylor(); // Taylor Swift

rehasantiago

var singer = {
    name: "Dua Lipa",
    songs: function() {
	    function songAndSinger(){
          console.log(this === singer) // true
        }
        songAndSinger.apply(singer)
    }
}
singer.songs();

rehasantiago

var singer = {
    name: "Dua Lipa",
    songs: function() {
      function songAndSinger() {
         console.log(this === singer) // true
      }
      songAndSinger.call(singer);
    }
}
singer.songs();