JavaScript Developer I V1

A developer has two ways to write a function: Option A: function Monster() { This.growl = () => { Console.log (“Grr!”); } } Option B: function Monster() {}; Monster.prototype.growl =() => { console.log(“Grr!”); } After deciding on an option, the developer creates 1000 monster objects. How many growl methods are...

CORRECT TEXT Refer to the string below. Const str=’Salesforce’; Which two statements results in the word 'Sales'?View AnswerAnswer: Str.substring(0,5); Str.substr(0,5);

Given the following code: What will be the first four numbers logged?A . 0012 B. 0112 C. 0122 D. 0123View AnswerAnswer: B

A developer wants to create an object from a function in the browser using the code below: Function Monster() { this.name = ‘hello’ }; Const z = Monster(); What happens due to lack of the new keyword on line 02?A . The z variable is assigned the correct object. B....

A developer wants to use a module named universalContainersLib and then call functions from it. How should a developer import every function from the module and then call the functions foo and bar?A . import * from '/path/universalContainersLib.js'; universalContainersLib. foo ()7 universalContainersLib.bar (); B. import {foo,bar} from '/path/universalCcontainersLib.js'; foo(): bar()?...

Which code change should be done for the console to log the following when 'Click me!' is clicked' > Row log > Table logA . Remove lines 13 and 14 B. Change line 10 to event.stopPropagation (false) ; C. Change line 14 to elem.addEventListener ('click', printMessage, true); D. Remove line...

Refer to the code below: const addBy =? const addByEight =addBy(8); const sum = addBYEight(50); Which two functions can replace line 01 and return 58 to sum? Choose 2 answersA . const addBy = function(num1){ return function(num2){ return num1 + num2; } B. const addBy = function(num1){ return num1 +...

Universal Containers recently launched its new landing page to host a crowd-funding campaign. The page uses an external library to display some third-party ads. Once the page is fully loaded, it creates more than 50 new HTML items placed randomly inside the DOM, like the one in the code below:...

Refer to the HTML below: Which JavaScript statement results in changing “ The Lion.”?A . document.querySelectorAll(‘$main $TONY’).innerHTML = ’“ The Lion B. document.querySelector(‘$main li:second-child’).innerHTML = “ The Lion ’; C. document.querySelector(‘$main li.Tony’).innerHTML = ’“ The Lion ’; D. document.querySelector(‘$main li:nth-child(2)’),innerHTML = “ The Lion. ’;View AnswerAnswer: A

Refer to the following object. How can a developer access the fullName property for dog?A . Dog.fullName B. Dog.fullName ( ) C. Dog, get, fullName D. Dog, function, fullNameView AnswerAnswer: A