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  5. Certified JavaScript Developer I

Free Certified JavaScript Developer I Exam Braindumps (page: 7)

Page 6 of 20
PDF with 224 Questions

A developer wants to create an object from a function in the browser using the code below.

What happens due to lack of the new keyword on line 02?

  1. The a variable is assigned the correct object.
  2. Window. n is assigned the correct object.
  3. Window. === name is assigned to `'hello'' and the variable a n remain undefined.
  4. The n variable is assigned the correct object but this- remains undefined.

Answer(s): C



Refer to the code below:



What is the value of foobDienu1 after the code executes?

  1. {`Pizza' , Burger' , French fries ` , garlic bread; }
  2. {`Pizza' , Burger' , French fries `}
  3. {`Garlic bread', Pizza' , Burger' , French fries'}
  4. {`Garlic bread'}

Answer(s): A



Which three browser specific APIs are available for developer to persist data between page loads?

Choose 3 answers

  1. IIFEs
  2. indexedDB
  3. global variables
  4. cookies
  5. localStorage

Answer(s): A,B,E



Why would a developer specify a package as the package.json as a deDepdelivery instead of a depdelivery?

  1. It is required by the application in production.
  2. It is only needed for local development and testing.
  3. Other required packages depended on it for development.
  4. It should be bundled when the package is published.

Answer(s): B






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