JavaScript Developer I

A developer wrote a fizzbuzz function that when passed in a number, returns the following: ‘Fizz’ if the number is divisible by 3. ‘Buzz’ if the number is divisible by 5. ‘Fizzbuzz’ if the number is divisible by both 3 and 5. Empty string if the number is divisible by...

A developer has code that calculates a restaurant bill, but generates incorrect answers while testing the code: function calculateBill ( items ) { let total = 0; total += findSubTotal(items); total += addTax(total); total += addTip(total); return total; } Which option allows the developer to step into each function execution...

A developer wants to create an object from a function in the browser using the code below: Function Monster() { this.name = ‘hello’ }; Const z = Monster(); What happens due to lack of the new keyword on line 02?A . The z variable is assigned the correct object.B ....

Why would a developer specify a package.jason as a developed forge instead of a dependency?A . It is required by the application in production.B . It is only needed for local development and testing.C . Other required packages depend on it for development.D . It should be bundled when the...

Which three options show valid methods for creating a fat arrow function? Choose 3 answersA . x => ( console.log(‘ executed ’) ; )B . [ ] => ( console.log(‘ executed ’) ;)C . ( ) => ( console.log(‘ executed ’) ;)D . X,y,z => ( console.log(‘ executed ’) ;)E...

Refer to the code below: Let inArray =[ [ 1, 2 ] , [ 3, 4, 5 ] ]; Which two statements result in the array [1, 2, 3, 4, 5]? Choose 2 answersA . [ ]. Concat.apply ([ ], inArray);B . [ ]. Concat (... inArray);C . [ ]....

Given code below: setTimeout (() => ( console.log(1); ). 0); console.log(2); New Promise ((resolve, reject )) = > ( setTimeout(() => ( reject(console.log(3)); ). 1000); )).catch(() => ( console.log(4); )); console.log(5); What is logged to the console?A . 2 1 4 3 5B . 2 5 1 3 4C ....

Refer to code below: Let a =’a’; Let b; // b = a; console.log(b); What is displayed when the code executes?A . Reference Error: b is not definedB . AC . UndefinedD . NullView AnswerAnswer: C

A developer wants to iterate through an array of objects and count the objects and count the objects whose property value, name, starts with the letter N. Const arrObj = [{“name” : “Zach”} , {“name” : “Kate”},{“name” : “Alise”},{“name” : “Bob”},{“name” : “Natham”},{“name” : “nathaniel”} Refer to the code snippet...

In the browser, the window object is often used to assign variables that require the broadest scope in an application Node.js application does not have access to the window object by default. Which two methods are used to address this? Choose 2 answersA . Use the document object instead of...