raunaqsachdev

const sampleValues = [1, 4, 5, 2, 'a', 'e', 'b', 'e', 2, 2, 4];
const uniqueValues = [...new Set(sampleValues)]; 
console.log(uniqueValues); //[1, 4, 5, 2, "a", "e", "b"]

raunaqsachdev

const unique = (value, index, self) => {
    return self.indexOf(value) === index;
}
const sampleValues = [1, 4, 5, 2, 'a', 'e', 'b', 'e', 2, 2, 4];
const uniqueValues = sampleValues.filter(unique);

raunaqsachdev

var switchObject2 = Object.assign(Object.create(null), {
  A : function1,
  B : function2,
  default: defaultFunction,
});

/* OR 

var switchObject2 = Object.create(null);
switchObject2['A'] = function1;

raunaqsachdev

var switchObject1 = {
  A : function1,
  B : function2,
  default: defaultFunction,
}

var resultFunction = switchObject1[valueStore] || switchObject1['default'];
resultFunction();

raunaqsachdev

switch(valueStore) {
  case A: {
    function 1();
    break;
  }
  case B: {
    function2();
    break;
  }
  default: {

raunaqsachdev

let obj1 = {
  a: 1,
  b: 2, 
  c: 3
};

let obj2 = {
  p: 4,
  q: 5,
  r: 6

raunaqsachdev

function printName({firstName, lastName}) {
  console.log(`Name : ${firstName} ${lastName}`);
};

let personObj = {
  firstName: 'John',  
  lastName: 'Doe'
};

printName(personObj); //Name : John Doe

raunaqsachdev

var sampleObj = {
  firstName: John,
  lastName: Doe,
  age: 29,
  gender: male
};

var name = sampleObj.name, //undefined
    firstName = sampleObj.firstName, //John
    lastName = sampleObj.lastName, //Doe

raunaqsachdev

let sampleObj = {
  firstName: 'John',
  lastName: 'Doe',
  age: 29,
  gender: 'male'
};

let { name, firstName, lastName, gender:sex } = sampleObj;
//name = undefined, firstName = John, lastName = Doe, sex = male

raunaqsachdev

let [x,y,z] = 'a\uD83D\uDCA9c'; // x='a'; y='\uD83D\uDCA9'; z='c'
let [p, q] = new Set(['new', 'string']); // p='new'; q='string’;