Questions Bank November 5, 2022 Comments Off on Questions Bank Questions Bank › Category: JavaScript Essentials 1Analyze the following code: let a = 10; do { console.log(a–); } while (a > 3); Which statement can replace the do … while from the example above?OpenProgrammingAnswers asked 2 years ago • JavaScript Essentials 1Examine the following code: let car = {make: “Citroen”, model: “DS”}; for (let f in car) console.log(f); What will appear on the console as a result?OpenProgrammingAnswers asked 2 years ago • JavaScript Essentials 1Examine the following code: for (let a = 4; a < 4; a++) { console.log("test"); } How many times will "test" be displayed in the console as a result of its execution?OpenProgrammingAnswers asked 2 years ago • JavaScript Essentials 1Review the following code: if (counter <= 10) { if (counter >= 10) { console.log(1); } } We can replace it using:OpenProgrammingAnswers asked 2 years ago • JavaScript Essentials 1Which of the following operators is a ternary one?OpenProgrammingAnswers asked 2 years ago • JavaScript Essentials 1We store an array of animal names in the animals variable (e.g. let animals = [“dog”, “cat”, “hamster”, “rabbit”];). Which of the following statements will display exactly two names from the array?OpenProgrammingAnswers asked 2 years ago • JavaScript Essentials 1We want to rewrite the following code snippet using the conditional operator: let name; if (test) { name = 10; } else { name = 20; } Which notation is correct?OpenProgrammingAnswers asked 2 years ago • JavaScript Essentials 1Analyze the code below: if (counter === 10) { console.log(“abc”); } How can we write the same condition using the switch statement?OpenProgrammingAnswers asked 2 years ago • JavaScript Essentials 1Which of the following loop instructions is intended only to loop through all the keys of the indicated object?OpenProgrammingAnswers asked 2 years ago • JavaScript Essentials 1The condition if( a >= 0 ) can be replaced by the condition:OpenProgrammingAnswers asked 2 years ago • JavaScript Essentials 1Review the following code snippet: if (counter <= 10 && confirm === false) { console.log("test"); } What values can the counter and confirm variables have so that the console displays "test" as a result of code execution?OpenProgrammingAnswers asked 2 years ago • JavaScript Essentials 1Review the following code: let x = 100; if (x < 100) x = 20; console.log(x) What will be displayed in the console as a result of its execution?OpenProgrammingAnswers asked 2 years ago • JavaScript Essentials 1The condition if (!a) can be replaced by the condition:OpenProgrammingAnswers asked 2 years ago • JavaScript Essentials 1Which of the following is not a loop instruction in JavaScript?OpenProgrammingAnswers asked 2 years ago • JavaScript Essentials 1Which sequence of if … else statements is incorrect?OpenProgrammingAnswers asked 2 years ago • JavaScript Essentials 1 Share Facebook Twitter Stumbleupon LinkedIn Pinterest
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