sashee/index.html

## index.html
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
</head>
<body>
  <script>
console.log = (msg) => document.body.innerText += `${msg}\n`;

// utility function for sleeping
const sleep = (n) => new Promise((res) => setTimeout(res, n));
(async () => {
  {
    console.log("\nsync some");
    const arr = [1, 2, 3];

    const res = arr.some((i) => {
    	console.log(`Checking ${i}`);
    	return i % 2 === 0;
    });

    // Checking 1
    // Checking 2

    console.log(res);
    // true
  }
  {
    console.log("\nasync some");
    const arr = [1, 2, 3];

    const asyncSome = async (arr, predicate) => {
    	for (let e of arr) {
    		if (await predicate(e)) return true;
    	}
    	return false;
    };
    const res = await asyncSome(arr, async (i) => {
    	console.log(`Checking ${i}`);
    	await sleep(10);
    	return i % 2 === 0;
    });

    // Checking 1
    // Checking 2

    console.log(res);
    // true
  }
  {
    console.log("\nsync every");
    const arr = [1, 2, 3];

    const res = arr.every((i) => {
    	console.log(`Checking ${i}`);
    	return i < 2;
    });

    // Checking 1
    // Checking 2

    console.log(res);
    // false
  }
  {
    console.log("\nasync every");
    const arr = [1, 2, 3];

    const asyncEvery = async (arr, predicate) => {
    	for (let e of arr) {
    		if (!await predicate(e)) return false;
    	}
    	return true;
    };
    const res = await asyncEvery(arr, async (i) => {
    	console.log(`Checking ${i}`);
    	await sleep(10);
    	return i < 2;
    });

    // Checking 1
    // Checking 2

    console.log(res);
    // false
  }
})();
  </script>
</body>
</html>
	<!doctype html>
	<html lang="en">
	<head>
	<meta charset="utf-8">
	</head>
	<body>
	<script>
	console.log = (msg) => document.body.innerText += `${msg}\n`;

	// utility function for sleeping
	const sleep = (n) => new Promise((res) => setTimeout(res, n));
	(async () => {
	{
	console.log("\nsync some");
	const arr = [1, 2, 3];

	const res = arr.some((i) => {
	console.log(`Checking ${i}`);
	return i % 2 === 0;
	});

	// Checking 1
	// Checking 2

	console.log(res);
	// true
	}
	{
	console.log("\nasync some");
	const arr = [1, 2, 3];

	const asyncSome = async (arr, predicate) => {
	for (let e of arr) {
	if (await predicate(e)) return true;
	}
	return false;
	};
	const res = await asyncSome(arr, async (i) => {
	console.log(`Checking ${i}`);
	await sleep(10);
	return i % 2 === 0;
	});

	// Checking 1
	// Checking 2

	console.log(res);
	// true
	}
	{
	console.log("\nsync every");
	const arr = [1, 2, 3];

	const res = arr.every((i) => {
	console.log(`Checking ${i}`);
	return i < 2;
	});

	// Checking 1
	// Checking 2

	console.log(res);
	// false
	}
	{
	console.log("\nasync every");
	const arr = [1, 2, 3];

	const asyncEvery = async (arr, predicate) => {
	for (let e of arr) {
	if (!await predicate(e)) return false;
	}
	return true;
	};
	const res = await asyncEvery(arr, async (i) => {
	console.log(`Checking ${i}`);
	await sleep(10);
	return i < 2;
	});

	// Checking 1
	// Checking 2

	console.log(res);
	// false
	}
	})();
	</script>
	</body>
	</html>