mimnets

var abul = 100;
var babul = 99;
console.log("Before swap abul = ", abul, "babul = ", babul);

var temp = abul; //The temp value is now abul's value 100.
abul = babul // now abul has babul's value 99.
babul = temp //because temp has babul's value 100.

console.log("After swap abul = ", abul, "babul = ",babul);

mimnets

function test () {
  const a = 5;
  const b = 5;
return a + b;
}

mimnets

function test (a, b) {
return a + b;
}

mimnets

function test (a, b = 1) {
return a + b;
}

mimnets

import React from 'react';

// Correct! This is a component and should be capitalized:
function Hello(props) {
  // Correct! This use of <div> is legitimate because div is a valid HTML tag:
  return <div>Hello {props.toWhat}</div>;
}

function HelloWorld() {
  // Correct! React knows <Hello /> is a component because it's capitalized.