Salesforce Javascript(set 3)

101) Refer to the HTML below:

<div id="main">
						  <div id="card-00">This card is smaller.</div>
						  <div id="card-01">The width and height of this card is determined by its contents.</div>
						</div>

Which statement outputs the height of the element with the ID card-01?

102) A developer creates a simple webpage with an input field. When a user enters text in the input field and clicks the button, the actual value of the field must be displayed in the console.

<!-- HTML code -->
						<input type="text" value="Hello" name="input">
						<button type="button">Display</button>
						<!-- JavaScript code -->
						const button document.querySelector("button");
						button.addEventListener('click', () => {
						  const input = document.querySelector('input');
						  console.log(input.getAttribute('value'));
						)}:

When the user clicks the button, the output is always “Hello”. What needs to be done to make this code work as expected?

103) A developer copied a JavaScript object:

function Person() {
							  this.firstName = "John";
							  this.lastName = "Doe";
							  this.name = () => `${this.firstName), $(this.lastName}`;
							}
							const john = new Person();
							const dan = Object.assign(john);
							dan.firstName = 'Dan';
						

How does the developer access dan’s firstName, lastName? Choose 2 answers.

104) Refer to the code below:

flag();
							function flag() {
							  console.log('flag');
							}
							const anotherFlag = () => {
							  console.log('another flag');
							}
							anotherFlag();
						

What is result of the code block?

105) Refer to the code below:

const event = new CustomEvent (
						  //Missing code
						);
						obj.dispatchEvent (event);
					

A developer needs to dispatch a custom event called update to send information about recordid.Which two options could a developer insert at the placeholder in line 02 to achieve this? Choose 2 answers

106) A developer implements and calls the following code when an application state change occurs:

const onStateChange = (newPageState) => {
						  window.history.pushState(newPageState, '' ,null);
						}
					

If the back button is clicked after this method is executed, what can a developer expect?

107) Refer to the code below:

let productSKU = '8675309';

A developer has a requirement to generate SKU numbers that are always 19 characters long, starting with ‘sku’, and padded with zeros. Which statement assigns the value sku0000000008675309?

108) Refer to the code below:

function foo() {
						  const a = 2;
						  function bar() {
						    console.log(a);
						  }
						  return bar;
						}
					

Why does the function bar have access to variable a?

109) Refer to the following code:

function test(val) {
						  if (val === undefined) {
						    return 'Undefined value!';
						  }
						  if (val === null) {
						    return 'Null value!';
						  }
						}
						let x;
						test(x);
					

What is returned by the function call on line 11?

110) Which JavaScript methods can be used to serialize an object into a string and deserialize a JSON string into an object, respectively?

111) Given the code block below:

function GameConsole(name) {
						  this.name = name;
						}
						GameConsole.prototype.load = function(gamename) {
						  console.log(`$(this.name} is loading a game: $(gamename)...`);
						}
						function Console16bit(name) {
						  GameConsole.call(this, name);
						}
						Console16bit.prototype = Object.create(GameConsole.prototype);
						  // insert code here
						  console.log(`${this.name} is loading a cartridge game: ${gamename}...`);
						}
						const console16bit = new Console16bit('SNEGeneziz');
						console16bit.load('Super Monic 3x Force');
					

What should a developer insert at line 11 to output the following message using the load method?

> SNEGeneziz is loading a cartridge game: Super Monic 3x Force…

112) Refer to the code below:

let a = 'a';
						let b;
						// b = a;
						console.log(b);
					

What is displayed when the code executes?

113) Refer to the code below:

function Person(firstName, lastName, eyeColor) {
						  this.firstName = firstName;
						  this.lastName = lastName;
						  this.eyeColor = eyeColor;
						}
						Person.job = 'Developer';
						const myFather = new Person('John', 'Doe");
						console.log(myFather.job);
					

What is the output after the code executes?

114) The developer has a function that prints “Hello” to an input name. To test this, the developer created a function that returns “World”. However, the following snippet does not print “Hello World”.

const sayHello = (name) => {
						  console.log('Hello', name);
						};
						const world = () => {
						  return 'World';
						};
						sayHello(world);
					

What can the developer do to change the code to print “Hello World”?

115) Refer to the following code:

<html lang="en">
						  <div class="outerDiv">
						    <button class="myButton">Click me!</button>
						  </div>
						  <script>
						    function displayInnerMessage(ev) {
						      console.log('Inner message.');
						    }
						    function displayOuterMessage(ev) {
						      console.log('Outer message.');
						    }
						    window.onload = (event) => {
						      document.querySelector('.outerDiv').addEventListener('click', displayOuterMessage, true);
						      document.querySelector('.myButton').addEventListener('click', displayInnerMessage, true);
						    };
						  </script>
						</html>
					

What will the console show when the button is clicked?

116) Considering type coercion, what does the following expression evaluate to?

true + '13' + NaN