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Given the requirement to refactor the code above to JavaScript class format, which class definition is correct?
Given the requirement to refactor the code above to JavaScript class format, which class definition is correct? A) B) C) D) A . Option AB . Option BC . Option CD . Option DView AnswerAnswer: A
Following semantic versioning format, what should the new package version number be?
developer publishes a new version of a package with new features that do not break backward compatibility. The previous version number was 1.1.3. Following semantic versioning format, what should the new package version number be?A . 2.0.0B . 1.2.3C . 1.1.4D . 1.2.0View AnswerAnswer: A
Which three expressions return true for the given substring?
Refer to the following code: Let sampleText = ‘The quick brown fox jumps’; A developer needs to determine if a certainsubstring is part of a string. Which three expressions return true for the given substring? Choose 3 answersA . sampleText.includes(‘fox’);B . sampleText.includes(‘ quick ’, 4);C . sampleText.includes(‘ Fox ’, 3)D...
Which method should be used to execute this business requirement?
A developer creates an object where its properties should be immutable and prevent properties from being added or modified. Which method should be used to execute this business requirement?A . Object.const()B . Object.eval()C . Object.lock()D . Object.freeze()View AnswerAnswer: D
Where can the developer see the log statement after loading the page in the browser?
A developer has the function, shown below, that is called when a page loads. function onload() { console.log(“Page has loaded!”); } Where can the developer see the log statement after loading the page in the browser?A . Terminal running the web server.B . Browser performance tootsC . Browser javaScript consoleD...
Which two lines of code result in a second array, arr2 being created such that arr2 is not a reference to arr1?
Refer to the following array: Let arr1 = [ 1,2, 3, 4, 5 ]; Which two lines of code result in a second array, arr2 being created such that arr2 is not a reference to arr1?A . Let arr2 = arr1.slice(0, 5);B . Let arr2 = Array.from(arr1);C . Let arr2...
What is the value of result when Promise.race executes?
catch( arr => ( 10 console.log(“Race is cancelled.”, err); 11 )); What is the value of result when Promise.race executes?A . Car 3 completed the race.B . Car 1 crashed in the race.C . Car 2 completed the race.D . Race is cancelled.View AnswerAnswer: C
What needs to be done make this code work as expected?
A developer creates a simple webpage with an input field. When a user enters text in the input field and clicks the button, the actual value of the field must be displayed in the console. Here is the HTML file content: <input type =” text” value=” Hello” name =” input”>...
Which meet the requirements?
Works in both the browser and Node.js. Which meet the requirements?A . assert (number % 2 === 0);B . console.error(number % 2 === 0);C . console.debug(number % 2 === 0);D . console.assert(number % 2 === 0);View AnswerAnswer: B
Given the code and the information the developer has, which code logs an error at boost with an event?
developer creates a new web server that uses Node.js. It imports a server library that uses events and callbacks for handling server functionality. The server library is imported with require and is made available to the code by a variable named server. The developer wants to log any issues that...
