What does the following command do? npm view <package-name> version

Which of the following statements is true about the process object in Node.js?

What does process.argv[1] contain?

Which of the following console commands will update all installed global packages to the latest available versions?

Which of the following will synchronously check if a file/directory exists?

Which of the following will open a file, then read its contents one line at a time?

Study the following code snippet and determine which code line contains an error. 1. var connect =require('connect'), 2. http = require('http'); 3. var app = connect(); 4. http.createServer(http).listen(3000); 5. console.log('port 3000');

The HTML code given in the image, when executed, should create a button and hovering over this button should display ‘New Button'. Which of the following code snippets should replace '??' in the given code to obtain the desired result?

What will be the output of the following code snippet? var myVar = 'First Value'; if (true) { (function () { var myVar ='Second Value' })(); } console.log(myVar);

If you create a collection by using the createCollection method with [safe : true] option, then which of the following types of behaviors will be observed?

What is the purpose of using URL hashes in Node.js?