Assignment

// Q1
let arr = [2, 3, 4, 9, 7];
let square = arr.map((el) => {
  return el * el;
});
let total = square.reduce((sum, el) => {
  return sum + el;
});
let avg = total / arr.length;
console.log(avg);

// Q2

let num = [1, 5, 7, 10];
console.log(num);
let newArr = num.map((el) => el + 5);
console.log(newArr);

// Q3
let original = ["abhi", "ash", "bharath", "vinay"];
console.log(original);
let newArr2 = original.map((el) => {
  return el.toUpperCase();
});
console.log(newArr2);

// Q3

let doubleAndReturnArgs = (arr, ...args) => [...arr, ...args.map((v) => v * v)];
console.log(doubleAndReturnArgs([1, 2, 3], 2, 3));
console.log(doubleAndReturnArgs(["abh", "sdcf"], 2, 3, 8));

// Q4

mergeObjects = (obj1, obj2) => ({ ...obj1, ...obj2 });
console.log(mergeObjects({ name1: "abhii", age1: 20 }, { name2: "ash", age2: 20 }));


Comments

Post a Comment

Popular posts from this blog

Callback Hell

Image
      < h1 > call Hell Demo </ h1 > let h1 = document . querySelector ( "h1" ); function changeColor ( color , delay , NextchangeColor ) {   setTimeout (() => {     h1 . style . color = color ;     if ( NextchangeColor ) NextchangeColor ();   }, delay ); } changeColor ( "red" , 1000 ,() => {     changeColor ( "blue" , 1000 ,() => {         changeColor ( "orange" , 1000 ,() => {             changeColor ( "green" , 1000 ,() => {                 changeColor ( "yellow" , 1000 );             })         })     }) });
Read more

TODO list with DOM

Image
 HTML <! DOCTYPE html > < html lang = "en" > < head >     < meta charset = "UTF-8" >     < meta name = "viewport" content = "width=device-width, initial-scale=1.0" >     < title > TODO List with DOM </ title > </ head > < body >     < h1 > TODO List </ h1 >     < input placeholder = "Enter Task" >     < button > Add Task </ button >     < ul >         < li > Eat < button class = "delbtn" > delete </ button ></ li >         < li > Sleep < button class = "delbtn" > delete </ button ></ li >     </ ul >     < script src = "TODOwithDOM.js" ></ script > </ body > </ html > JS let btn = document . querySelector ( "button" ); let inp = document . querySelector ( "input" ); let ul = do...
Read more

Refactoring callback hell code

Image
  let h1 = document . querySelector ( "h1" ); function changeColor ( color , delay ) {   return new Promise (( resolve , reject ) => {     setTimeout (() => {       h1 . style . color = color ;       resolve ( "color changed" );     }, delay );   }); } changeColor ( "red" , 1000 )   . then (() => {     console . log ( "Color changed to Red" );     return changeColor ( "orange" , 1000 );   })   . then (() => {     console . log ( "color changed to orange" );     return changeColor ( "green" , 1000 );   })   . then (() => {     console . log ( "color changed to green" );     return changeColor ( "blue" , 1000 );   })   . then (() => {     console . log ( "color changed to blue" );   });
Read more