webka

What method is used to remove the selected element from an array in JavaScript?

•   delete()

• splice()

•    remove()

• o   pop()

What method is used to find an element in an array in JavaScript?

• o   indexOf()

• o   find()

• o   search()

• o   locate()

What method is used to convert an object to JSON format in JavaScript?

• o   JSON.stringify()

• o   objectToJSON()

• o   toJSON()

• o   convertToJSON()

What method is used to call a function only once in JavaScript?

• o   callOnce()

• o   runOnce()

• o   executeOnce()

• once()

What method is used to add elements to the beginning of an array in JavaScript?

• o   add()

• o   prepend()

• unshift()

• o   push()

What method is used to get a part of an array with a specific index and length in JavaScript?

• o   splice()

• slice()

• o   subarray()

• o   subset()

. Node.js is:

• o   database

• o   browsero   browser

• o   JavaScript runtime on the server

• o   web development framework

What command is used to install a Node.js module?

• o   install

• o   require

• o   use

• o   npm install

What Node.js module is used to work with files?

• o   http

• fs

• o   url

• o   path

What method is used to create a server in Node.js?

• o   createServer()

• o   startServer()

• o   runServer()

• o   start()