why react.lazy code example

Example 1: lazy react

import React, { Suspense } from 'react';

const OtherComponent = React.lazy(() => import('./OtherComponent'));

function MyComponent() {
  return (
    <div>
      <Suspense fallback={<div>Loading...</div>}>
        <OtherComponent />
      </Suspense>
    </div>
  );
}

Example 2: lazy react

import("./math").then(math => {
  console.log(math.add(16, 26));
});