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6. Which of the following is the correct way to declare an array in Java?
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4. What is the output of the following Java code?
int x = 5; int y = 2; System.out.println(x / y);
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3. Which of the following statements is used to exit from a loop in Java?
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7. What will the following code output?
let x = 5; function foo() { let x = 10; return function() { console.log(x); }; } const bar = foo(); bar();
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6. What will this code print?
var a = 10; (function() { console.log(a); var a = 20; })();
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5. What will be the output of the following code?
console.log([] == ![]);
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3. Which method can be used to check if an object has a certain property in JavaScript?
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2. What is the output of the following code?
console.log(0.1 + 0.2 == 0.3);
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1. What is the result of the following expression?
[] + [] == [] + {}
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Here are 10 challenging JavaScript quiz questions with multiple-choice options to test your knowledge:
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10. Which of the following is the correct definition of a Binary Heap?
