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If you are a Web Developer in terms of Frontend Developer, Backend Developer or Full Stack Developer, you can evaluate and can check the areas of improvement.

Total Questions: 20

Duration: 15 Minutes

You need to obtain 65% to pass the test.

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1 / 20

1. What is the correct syntax for creating a new JavaScript object?

a. object new Object();

b. var obj = new Object();

c. var obj = {};

d. object obj;

2 / 20

2. What is the correct way to add a CSS class to an HTML element using JavaScript?

a. element.style.class = "className";

b. element.class = "className"

c. element.className = "className"

d. element.addClass("className");

3 / 20

3. Which of the following is a popular JavaScript library for building user interfaces?

a. JQuery

b. AngularJS

c. React

d. Vue.js

4 / 20

4. What is the correct syntax for creating a new MongoDB document?

a. db.create("documentName");

b. db.insert("documentName");

c. db.insertOne({});

d. db.createOne({});

5 / 20

5. What is the correct syntax for creating a new Node.js module?

a. module new Module();

b. var myModule = new Module();

c. var myModule = require('./myModule');

d. import myModule from './myModule';

6 / 20

6. What is the correct syntax for making an AJAX GET request using jQuery?

a. $.ajax({method: "GET", url: "some.php"});

b. $.get("some.php");

c. $.getJSON("some.php");

d. $.getHTML("some.php");

7 / 20

7. What is the correct syntax for creating a new React component?

a. var MyComponent = createReactClass();

b. var MyComponent = new React.Component();

c. class MyComponent extends React.Component {};

d. function MyComponent() {};

8 / 20

8. What is the correct syntax for making a MongoDB query to find documents that match a certain condition?

a. db.find({condition: true});

b. db.query({condition: true});

c. db.find({condition: true}).toArray();

d. db.find({condition: true}, function(err, docs) {});

9 / 20

9. What is the correct syntax for setting a cookie using JavaScript?

a. document.cookie = "name=value";

b. document.setCookie("name", "value");

c. cookie.create("name", "value");

d. cookies.set("name", "value");

10 / 20

10. Which of the following methods is used to access HTML elements using Javascript?

a. getElement byId()

b. getElementsByClassName()

c. Both of them

d. None of them

11 / 20

11. What is the correct syntax for using the map function in JavaScript?

a. array.map(function(item) {});

b. array.iterate(function(item) {});

c. array.forEach(function(item) {});

d. array.loop(function(item) {});

12 / 20

12. What is the correct syntax for creating a new AngularJS directive?

a. app.directive("directiveName", function() {})

b. angular.directive("directiveName", function() {});

c. <directive-name></directive-name>

d. $scope.directive("directiveName", function() {});

13 / 20

13. What is the correct syntax for creating a new MongoDB collection?

a. db.createCollection("collectionName");

b. db.newCollection("collectionName");

c. var collection = new db.Collection("collectionName");

d. var collection = db.collection("collectionName");

14 / 20

14. What is the correct syntax for creating a new Express.js middleware function?

a. app.use(function(req, res, next) {});

b. app.addMiddleware(function(req, res, next) {});

c. express.middleware(function(req, res, next) {});

d. app.handle(function(req, res, next) {});

15 / 20

15. What is the correct syntax for making an AJAX POST request using jQuery?

a. $.ajax({method: "POST", url: "some.php"});

b. $.post("some.php");

c. $.postJSON("some.php");

d. $.submit("some.php");

16 / 20

16. What is the correct syntax for creating a new React component's state?

a. this.state = {};

b. this.createState({});

c. this.setState({});

d. state = {};

17 / 20

17. What is the correct syntax for making a MongoDB update query?

a. db.update({query}, {update});

b. db.updateOne({query}, {update});

c. db.modify({query}, {update});

d. db.change({query}, {update});

18 / 20

18. What is the correct syntax for making a GET request using Axios?

a. axios.get("/path");

b. axios.fetch("/path");

c. axios({method: "GET", url: "/path"});

d. axios.request("/path");

19 / 20

19. What is the correct syntax for defining a new variable in JavaScript using the let keyword?

a. let variableName;

b. var variableName;

c. const variableName;

d. variable variableName;

20 / 20

20. What is the correct syntax for defining a new variable in JavaScript using the const keyword?

a. let variableName;

b. var variableName;

c. const variableName;

d. variable variableName;

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