Correct Answer: It exports an object that contains the parsed command line argument in the form of argv property.
Explanation:
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More Node.js MCQ Questions
Consider two files: first.js and second.js in a Node.js project. Content of the first.js file is given as: module.exports = function() { console.log('function in file first'); Which of the following lines of code should be written in the second.js file in order to import the function given in the first.js file to the second.js file?
Carefully read the following code: 1. var EventEmitter = require('events').EventEmitter; 2. var example = new EventEmitter(); 3. example.on('data', function sample1(){}); 4. example.on('data', function sample2(){}); 5. console.log(???); Which of the given options should replace ??? in line 5 of the above-given code snippet to obtain the following output? [ [Function: sample1], [Function: sample2] ]
In Node.js, which of the following functions is used by an Express app to accept the middleware?
What will be the output of the following code snippet? var x =[8, 12, 3]; x.push(5); x.unshift(1); console.log(x[0]);
In the following program of an asynchronous test, which line of code contains an error? Line 1: exportsaynchabc = function (abc)[ Line 2: setTimeout(function (){ Line 3: abc.equal(false, true); Line 4: abc.done(true. false); Line 5: } 1200); Line 6: };
What is the name of the module system used in node.js?
To parse a URL string use____?
The Javascript used in node.js:
If an EventEmitter object emits an 'error' event and there is no listener for it, node will:
In Node.js, the result of an asynchronous function can be accessed how?