rootTheLure · February 28, 2019 14:14
diff --git a/interview-quick-check.js b/interview-quick-check.js
 // 1) what is console output for every line below
 typeof 5;
 typeof new Number();
 typeof 0;
 typeof -0;
 typeof null;
 typeof undefined;
 typeof NaN;
 typeof !0+1;
 typeof Object;


 // 2) what is result of 2 function calls below
 const karl = {
    name: 'Karl',
    sayYourName: () => { console.log(this.name); },
    sayItAgain: function () { console.log(this.name); }
 }

 karl.sayYourName();
 karl.sayItAgain();


 // 3) what is the order of console.logs below
 console.log('script start');

 setTimeout(function() {
  console.log('setTimeout');
 }, 0);

 Promise.resolve().then(function() {
  console.log('promise1');
 }).then(function() {
  console.log('promise2');
 });

 console.log('script end');


 // 4) What is the result of function calls below
 function printThis() {
    console.log(this);
 }

 const firstObj = { name: 'FIRST' };
 const secondObj = { name: 'SECOND' };

 const printFirst = printThis.bind(firstObj);
 const printSecond = printFirst.bind(secondObj);

 printThis();
 printFirst();
 printSecond();


 // 5) Are this selector equal?
 <!DOCTYPE html>
 <html>
 <head>
  <meta charset="utf-8">
  <title>Selector</title>
 </head>
 <body>
  <div class='outer'>
    <div class='inner'>
      <div>
        <div></div>
        <div></div>
      </div>
      <div></div>
    </div>
    <div></div>
    <div></div>
  </div>
 </body>
 </html>

 const length = document.querySelectorAll('.inner div div').length;
 const length2 = document.querySelector('.inner').querySelectorAll('div div').length;

 console.log(length === length2);

 // 6) what is an output 
 for (var i = 0; i < 10; i++) {
  setTimeout(() => {
      console.log(i);
  }, 0);
 }
 // 6.1) what is an output 
 var i = 0;
 while(i++ < 4) {
  let s = i;   
  setTimeout(function() {
        console.log(i);
    }, i * 100);
 }
	// 1) what is console output for every line below
	typeof 5;
	typeof new Number();
	typeof 0;
	typeof -0;
	typeof null;
	typeof undefined;
	typeof NaN;
	typeof !0+1;
	typeof Object;


	// 2) what is result of 2 function calls below
	const karl = {
	name: 'Karl',
	sayYourName: () => { console.log(this.name); },
	sayItAgain: function () { console.log(this.name); }
	}

	karl.sayYourName();
	karl.sayItAgain();


	// 3) what is the order of console.logs below
	console.log('script start');

	setTimeout(function() {
	console.log('setTimeout');
	}, 0);

	Promise.resolve().then(function() {
	console.log('promise1');
	}).then(function() {
	console.log('promise2');
	});

	console.log('script end');


	// 4) What is the result of function calls below
	function printThis() {
	console.log(this);
	}

	const firstObj = { name: 'FIRST' };
	const secondObj = { name: 'SECOND' };

	const printFirst = printThis.bind(firstObj);
	const printSecond = printFirst.bind(secondObj);

	printThis();
	printFirst();
	printSecond();


	// 5) Are this selector equal?
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8">
	<title>Selector</title>
	</head>
	<body>
	<div class='outer'>
	<div class='inner'>
	<div>
	<div></div>
	<div></div>
	</div>
	<div></div>
	</div>
	<div></div>
	<div></div>
	</div>
	</body>
	</html>

	const length = document.querySelectorAll('.inner div div').length;
	const length2 = document.querySelector('.inner').querySelectorAll('div div').length;

	console.log(length === length2);

	// 6) what is an output
	for (var i = 0; i < 10; i++) {
	setTimeout(() => {
	console.log(i);
	}, 0);
	}
	// 6.1) what is an output
	var i = 0;
	while(i++ < 4) {
	let s = i;
	setTimeout(function() {
	console.log(i);
	}, i * 100);
	}