Most Popular Linkedin Assessment Tests:
LinkedIn JavaScript Assessment, Microsoft Excel, HTML, CSS, Java, Microsoft outlook, Git, C#, C programming, adobe illustrator AWS, Microsoft Project, Microsoft Azure python, Agile Methodology
Q1. Which operator returns true if the two compared values are not equal?
Q2. How is a forEach statement different from a for a statement?
Q3. Review the code below. Which statement calls the addax function and passes 50 as an argument?
function addax(total) {
return total * 1.05;
}
Q3. How would you use this function to find out how much tax should be paid on $50?
(Version 2, possibly an updated version)
function addax(total) {
return total * 1.05;
}
Q4. Which statement is the correct way to create a variable called rate and assign it the value 100?
Q5. Which statement creates a new Person object called “student”?
Q6. When would the final statement in the code shown be logged to the console?
let modal = document.querySelector(‘#result’);
setTimeout(function(){
modal.classList.remove(‘hidden);
}, 10000);
console.log(‘Results shown’);
Q6. When would ‘results shown’ be logged to the console?
(Version 2, possibly an updated version)
let modal = document.querySelector(‘#results’);
setTimeout(function () {
modal.classList.remove(‘hidden’);
}, 10000);
Q7. You’ve written the code shown to log a set of consecutive values, but it instead results in the value 5, 5, 5, and 5 being logged to the console. Which revised version of the code would result in the value 1, 2, 3 and 4 being logged?
for (var i = 1; i <= 4; i++) {
setTimeout(function () {
console.log(i);
}, i * 10000);
}
Q8. How does a function create a closure?
Q9. Which statement creates a new function called discountPrice?
Q10. What is the result in the console of running the code shown?
var Storm = function () {};
Storm.prototype.precip = ‘rain’;
var WinterStorm = function () {};
WinterStorm.prototype = new Storm();
WinterStorm.prototype.precip = ‘snow’;
var bob = new WinterStorm();
console.log(bob.precip);
Q11. You need to match a time value such as 12:00:32. Which of the following regular expressions would work for your code?
Q12. What is the result in the console of running this code?
‘use strict’;
function logThis() {
this.desc = ‘logger’;
console.log(this);
}
new logThis();
Q13. How would you reference the text ‘avenue’ in the code shown?
let roadTypes = [‘street’, ‘road’, ‘avenue’, ‘circle’];
Q14. What is the result of running this statement?
console.log(typeof(42));
Q15. Which property references the DOM object that dispatched an event?
Q16. You’re adding error handling to the code shown. Which code would you include within the if statement to specify an error message?
function and numbers(x, y) {
if (isNaN(x) || isNaN(y)) {
}
}
Q17. Which method converts JSON data to a JavaScript object?
Q18. When would you use a conditional statement?
Q19. What would be the result in the console of running this code?
for (var i = 0; i < 5; i++) {
console.log(i);
}
Q20. Which Object method returns an iterable that can be used to iterate over the properties of an object?
Q21. After the following code, what is the value of a.length?
var a = [‘dog’, ‘cat’, ‘hen’];
a[100] = ‘fox’;
console.log(a.length);
Q22. What is one difference between collections created with Map and collections created with Object?
Q23. What is the value of dessert.type after executing this code?
const dessert = { type: ‘pie’ };
dessert.type = ‘pudding’;
Q24. 0 && hi
Q25. Which of the following operators can be used to do a short-circuit evaluation?
Q26. Which statement sets the Person constructor as the parent of the Student constructor in the prototype chain?
Q27. Why would you include a “use strict” statement in a JavaScript file?
Q28. Which Variable-defining keyword allows its variable to be accessed (as undefined) before the line that defines it?
Q29. Which of the following values is not a Boolean false?
Q30. Which of the following is not a keyword in JavaScript?
Q31. Which variable is an implicit parameter for every function in JavaScript?
Q32. For the following class, how do you get the value of 42 from an instance of X?
class X {
get Y() {
return 42;
}
}
Q33. What is the result of running this code?
sum(10, 20);
diff(10, 20);
function sum(x, y) {
return x + y;
}
let diff = function (x, y) {
return x – y;
};
Q34. Why is it usually better to work with Objects instead of Arrays to store a collection of records?
Q35. Which statement is true about the “async” attribute for the HTML script tag?
Q36. How do you import the lodash library making it top-level Api available as the “_” variable?
Q37. What does the following expression evaluate to?
[] == [];
Q38. What is the name of a function whose execution can be suspended and resumed at a later point?
Q39. What will this code print?
f2();
Q40. Which statement is true about Functional Programming?
Q41. Your code is producing the error: TypeError: Cannot read property ‘reduce’ of undefined. What does that mean?
Q42. How many prototype objects are in the chain for the following array?
let arr = [];
Q43. Which choice is not a unary operator?
Q44. What type of scope does the end variable have in the code shown?
var start = 1;
if (start === 1) {
let end = 2;
}
Q45. What will the value of y be in this code:
const x = 6 % 2;
const y = x ? ‘One’ : ‘Two’;
Q46. Which keyword is used to create an error?
Q47. What’s one difference between the async and defer attributes of the HTML script tag?
Q48. The following program has a problem. What is it?
var a;
var b = (a = 3) ? true: false;
Q48. This program has a problem. What is it?
(Version 2, possibly an updated version)
var a;
var b = (a = 3) ? true : false;
Q49. Which statement references the DOM node created by the code shown?
<p class=”pull”>lorem ipsum</p>
Q50. What value does this code return?
let answer = true;
if (answer === false) {
return 0;
} else {
return 10;
}
Q51. What is the result in the console of running the code shown?
var start = 1;
function setEnd() {
var end = 10;
}
setEnd();
console.log(end);
Q52. What will this code log in the console?
function sayHello() {
console.log(‘hello’);
}console.log(sayHello.prototype);
Q53: Which collection object allows unique value to be inserted only once?
Q54. What two values will this code print?
function print() {
console.log(answer);
var answer = 1;
}
printA();
printA();
Q55. For the following class, how do you get the value of 42 from “X” ?
class X {
get Y() {
return 42;
}
}
var x = new X();
Q56. How does the forEach() method differ from a for a statement?
Q57. What will be logged to the console?
‘use strict’;
function logThis() {
this.desc = ‘logger’;
console.log(this);
}
new logThis();
Q58. Which choice is an incorrect way to define an arrow function that returns an empty object?
Q59. Why might you choose to make your code asynchronous?
Q60. Which expression evaluates to true?
Q61. Which of these is a valid variable name?
Q62. Which method cancels event default behavior?
Q63. Which method do you use to attach one DOM node to another?
Q64. Which statement is used to skip iteration of the loop?
Q65. Which choice is valid example for an arrow function?
Q66. Which concept is defined as a template that can be used to generate different objects that share some shape and/or behavior?
Q67. How do you add a comment to JavaScript code?
Q68. If you attempt to call a value as a function but the value is not a function, what kind of error would you get?
Q69. Which method is called automatically when an object is initialized?
Q70. What is the result of running the statement shown?
let a = 5;
console.log(++a);
Q71. You’ve written the event listener shown below for a form button, but each time you click the button, the page reloads. Which statement would stop this from happening?
button.addEventListener(
‘click’,
function (e) {
button.className = ‘clicked’;
},
false,
);
Q72. Which statement represents the starting code converted to an IIFE?
Q73. Which statement selects all img elements in the DOM tree?
Q74. Why would you choose an asynchronous structure for your code?
Q75. What is the HTTP verb to request the contents of an existing resource?
Q76. Which event is fired on a text field within a form when a user tabs to it, or clicks or touches it?
Q77. What is the result in the console of running this code?
function log this() {
console.log(this);
}
logThis();
Q78. Which class-based component is equivalent to this function component?
Q79. Which class-based lifecycle method would be called at the same time as this effect Hook?
effect(() => {
// do things
}, []);
Q80. What is the output of this code?
var obj;
console.log(obj);
Q81. What will be logged to the console?
var a = [‘dog’, ‘cat’, ‘hen’];
a[100] = ‘fox’;
console.log(a.length);
Q82. How would you use the TaxCalculator to determine the amount of tax on $50?
class TaxCalculator {
static calculate(total) {
return total * 0.05;
}
}
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LinkedIn javascript assessment answers 2021
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