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Frontend Developer Roadmap 2024
Frontend development means to design the face of a website or application. It involves working on the appearance of the website. Building interactive buttons, using images...
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Web technologies Questions | JavaScript Course Quiz 1 | Question 28
The code snippet described below represents const [value1,value2,value3]= data (A) Destructuring in an object(B) Destructuring in an array(C) Can be both destructuring...
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Web technologies Questions | JavaScript Course Quiz 1 | Question 27
The code snippet described below represents const {name,value,id}= data (A) Destructuring in an object(B) Destructuring in an array(C) Can be both destructuring in ar...
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Web technologies Questions | JavaScript Course Quiz 1 | Question 26
What will be the output for the following code snippet for(let i=1; ;i++) { Let data= i*5; console.log(data) if(data>=30) ...
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Web technologies Questions | JavaScript Course Quiz 1 | Question 25
What will be the output of the following code snippet let data=7 while(data>=0) { if(data<=5) { data--; continue;...
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Web technologies Questions | JavaScript Course Quiz 1 | Question 24
What is the role of break keyword inside a loop(A) Restart the loop(B) Move out of the loop(C) Ignore the rest of the statements below it and continue the loop(D) None of ...
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Web technologies Questions | JavaScript Course Quiz 1 | Question 23
What is the role of continue keyword inside a loop(A) Restart the loop(B) Break out of the loop(C) Ignore the rest of the statements below it and continue the loop(D) None...
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Web technologies Questions | JavaScript Course Quiz 1 | Question 22
Which of the following is a reference to another object from which properties are inherited(A) Object’s prototype(B) Object’s characteristics(C) Object’s class(D) All of t...
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Web technologies Questions | JavaScript Course Quiz 1 | Question 21
Which of the following method can also be used to create objects in javascript (A) new keyword(B) object.create()(C) create.object()(D) Both a and b Answer: (D) Explanatio...
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Web technologies Questions | JavaScript Course Quiz 1 | Question 20
An object is an unordered collection of _______.(A) values(B) names(C) Properties (D) All of the above Answer: (C) Explanation: An object is an unordered collection of pro...
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Web technologies Questions | JavaScript Course Quiz 1 | Question 19
Which of the following represents loops in javascript(A) for(B) while(C) forEach(D) All of the above Answer: (D) Explanation: All of the above represents loops in javascri...
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Web technologies Questions | JavaScript Course Quiz 1 | Question 18
What is the type of variable data declare below const data=[ ](A)Array(B)object(C)string(D)None of the above Answer: (A)Explanation:The variable data represents an empty ...
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Web technologies Questions | JavaScript Course Quiz 1 | Question 17
The advantages of using strict mode in javascript are(A) Strict mode eliminates some JavaScript silent errors by changing them to throw errors.(B) It disables features tha...
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Web technologies Questions | JavaScript Course Quiz 1 | Question 16
What will be the output of the following code snippet let data=’false’; data?console.log(‘first statement’):console.log(‘second statement’);(A) first statement(B) ...
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Web technologies Questions | JavaScript Course Quiz 1 | Question 15
Which of the following represent truthy values in javascript(A) true(B) {}(C) [](D) All of the above Answer: (D) Explanation: All the values {},[].true, a number , non emp...
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Web technologies Questions | JavaScript Course Quiz 1 | Question 14
Which of the following represent falsy values in javascript(A) false(B) ' '(C) undefined(D) All of the above Answer: (D) Explanation: All the values false , undefined , ‘ ...
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