How do you sort data in node JS?

How do you sort data in node JS?

Use the ORDER BY statement to sort the result in ascending or descending order. The ORDER BY keyword sorts the result ascending by default. To sort the result in descending order, use the DESC keyword.

How do I read a text file in node JS?

“node. js read txt file” Code Answer

  1. const fs = require(“fs”);
  2. // __dirname means relative to script. Use “./data.txt” if you want it relative to execution path.
  3. fs. readFile(__dirname + “/data.txt”, (error, data) => {
  4. if(error) {
  5. throw error;
  6. }
  7. console. log(data. toString());

How do you sort an array in node JS?

sort() is an array function from Node. js that is used to sort a given array. Parameter: This function does not takes any parameter. Return type: The function returns the sorted array.

How do I sort text?

Select OK.

  1. Select the list you want to sort.
  2. On the Home tab, click Sort.
  3. In the Sort Text dialog box: Under Sort by, select Paragraphs. Next to Type, select Text. Choose Ascending or Descending.
  4. Click OK.
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How do I filter data in node JS?

2 Answers

  1. json-parser.js. input: string (JSON)
  2. obj-filter.js. input: object.
  3. stringifier.js. input: object.
  4. app.js // modules var JsonParser = require(“json-parser”); var ObjFilter = require(“obj-filter”); var Stringifier = require(“stringifier”); // run var parser = new JsonParser(); // setup stream chain parser.

How do I read a text file line by line in node JS?

Method 1: Using the Readline Module: Readline is a native module of Node. js, it was developed specifically for reading the content line by line from any readable stream. It can be used to read data from the command line. const readline = require(‘readline’);

How do I print text in node JS?

How to print to the command line console using Node, from the basic console. log to more complex scenarios

  1. Basic output using the console module.
  2. Clear the console.
  3. Counting elements.
  4. Print the stack trace.
  5. Calculate the time spent.
  6. stdout and stderr.
  7. Color the output.
  8. Create a progress bar.

How do I sort a JSON array in node JS?

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Sort JSON Object Array Based On A Key Attribute In JavaScript

  1. function compare(a, b) {
  2. if (a is less than b by some ordering criterion) {
  3. return -1;
  4. }
  5. if (a is greater than b by the ordering criterion) {
  6. return 1;
  7. }
  8. // a must be equal to b.