Nodejs - non-flowing data stream 1

Nodejs - non-flowing data stream 1

Javascript Examples

Nodejs – non-flowing data stream

ByAnurag batra October 2, 2022September 6, 2022

import { createReadStream, ReadStream } from 'fs';

var readStream: ReadStream = createReadStream('./data.txt');

setTimeout(() => {
  const data = readStream.read(10);
  console.log(data);
}, 10);

Here is what the above code is Doing:
1. We create a read stream from the file data.txt.
2. We set a timeout for 10 milliseconds.
3. We read 10 bytes from the stream.
4. We print the data to the console.

The output of the above code is:

The output is a Buffer object. A Buffer is a chunk of memory allocated outside of the V8 heap.

The Buffer object is a global object in Node.js. It is used to handle binary data.

The Buffer object is similar to an array of integers, but corresponds to a raw memory allocation outside the V8 heap.

The Buffer object is used to represent binary data in the form of a sequence of bytes.

The Buffer object is not a generic JavaScript object. It is a global object that is used to store data.

The Buffer object is used to represent binary data in the form of a sequence of bytes.

The Buffer object is not a generic JavaScript object. It is a global object that is used to store data.

The Buffer object is used to represent binary data in the form of a sequence of bytes.

The Buffer object is not a generic JavaScript object. It is a global object that is used to store data.

The Buffer object is used to represent binary data in the form of a sequence of bytes.

The Buffer object is not a generic JavaScript object. It is a global object that is used to store data.

The Buffer object is used to represent binary data in the form of a sequence of bytes.

The Buffer object is not a generic JavaScript object. It is a global object that is used to store data.

The Buffer object is used to represent binary data in the form of a sequence of bytes.

The Buffer object is not a generic JavaScript object. It is a global object that is used to store data.

The Buffer object is used to represent binary data in the form of a sequence of bytes.

The Buffer object is not a generic JavaScript object. It is a global object that is used to store data.

The Buffer object is used to represent binary data in the form of a sequence of bytes.

The Buffer object is not a generic JavaScript object. It is a global object that is used to store data.

The Buffer object is used to represent binary data in the form of a sequence of bytes.

The Buffer object is not a generic JavaScript object. It is a global object that is used to store data.

The Buffer object is used to represent binary data in the form of a sequence of bytes.

The Buffer object is not a generic JavaScript object. It is a global object that is used to store data.

The Buffer object is used to represent binary data in the form of a sequence of bytes.

The Buffer object is not a generic JavaScript object. It is a global object that is used to store data.

The Buffer object is used to represent binary data in the form of a sequence of bytes.

The Buffer object is not a generic JavaScript object. It is a global object that is used to store data.

The Buffer object is used to represent binary data in the form of a sequence of bytes.

The Buffer object is not a generic JavaScript object. It is a global object that is used to store data.

The Buffer object is used to represent binary data in the form of a sequence of bytes.

The Buffer object is not a generic JavaScript object. It is a global object that is used to store data.

The Buffer object is used to represent binary data in the form of a sequence of bytes.

The Buffer object is not a generic JavaScript object. It is a global object that is used to

Day 4: Create a Rectangle Object hackerrank 10 days of javascript solution

Day 4: Create a Rectangle Object hackerrank 10 days of javascript solution

Javascript Examples

Day 4: Create a Rectangle Object hackerrank 10 days of javascript solution

ByAnurag batra October 3, 2022September 6, 2022

// Day 4: Create a Rectangle Object hackerrank 10 days of javascript solution function Rectangle(a, b) { let rectangleObject = { length: a, width: b, perimeter: 2 *(a +b), area: a*b } return rectangleObject; } Here is what the above code is Doing: 1. We create a function called Rectangle that takes two arguments, a…

javascript add string to middle of string

javascript add string to middle of string

Javascript Examples

javascript add string to middle of string

ByAnurag batra July 5, 2022June 30, 2022

function addStr(str, index, stringToAdd){ return str.substring(0, index) + stringToAdd + str.substring(index, str.length); } let str = “This is a string”; let stringToAdd = “modyfied “; console.log(addStr(str, 10, stringToAdd)); //outPut : “This is a modified string” Here is what the above code is Doing: 1. We have a string and we want to add a string…

create file if not exists nodejs

create file if not exists nodejs

Javascript Examples

create file if not exists nodejs

ByAnurag batra July 27, 2022June 30, 2022

function writeToFile() { fs.open(filepath,’r’,function(fileExists, file) { if (fileExists) { fs.writeFile( filepath, JSON.stringify(prodDetail), (err) => { if (err) console.error(err) console.log(‘Data written’) }); } else { console.log(“File already exists!”); } }); } Here is what the above code is Doing: 1. We are using the fs module to read the file. 2. We are using the fs…

get match number array javascript

get match number array javascript

Javascript Examples

get match number array javascript

ByAnurag batra October 19, 2022September 6, 2022

var intersections = array1.filter(e => array2.indexOf(e) !== -1); Here is what the above code is Doing: 1. We create a function called intersection that takes two arrays as arguments. 2. We create a variable called array1 and set it equal to the first argument passed into the function. 3. We create a variable called array2…

javascript newline in alert

javascript newline in alert

Javascript Examples

javascript newline in alert

ByAnurag batra October 8, 2022September 6, 2022

alert(“Well I’m line 1 \nAnd I am a new line “); //new line in alert box Here is what the above code is Doing: 1. We are creating a variable called “name” and assigning it a value of “John”. 2. We are creating a variable called “age” and assigning it a value of “30”. 3….

open route in new tab vue router

open route in new tab vue router

Javascript Examples

open route in new tab vue router

ByAnurag batra July 26, 2022June 30, 2022

let routeData = this.$router.resolve({name: ‘routeName’, query: {data: “someData”}}); window.open(routeData.href, ‘_blank’); Here is what the above code is Doing: 1. We’re using the $router.resolve() method to get the URL of the route we want to open. 2. We’re passing the name of the route we want to open as the first argument to the $router.resolve() method….