Yarn requires node.js 4.0 or higher to be installed warning occurs when you try to install yarn package manager but use Node.js version below version 4.0. To fix the yarn requires node.js 4.0 or higher to be installed error, “install the latest version of Node.js or upgrade your current Node.js version to the latest version.” … Read more
Webpack: Conflicting values for ‘process.env.NODE_ENV’ error occurs when you “configure DefinePlugin incorrectly or try to reassign process.env.NODE_ENV when instantiating the plugin.” DefinePlugin allows you to define global constants that can be configured at compile time. It is specifically helpful for having development-only code or API endpoints based on the build environment. Reproduce the error const … Read more
Error: listen EADDRINUSE: address already in use occurs in Node.js when you “try to restart a Node application, and the previous one did not shut down properly.” How to fix the error? Here are some steps to diagnose and fix the issue. Check Running Processes You can use the below command to see if any … Read more
Here are two ways to Serialize a Map in JavaScript. Using Array.from() and JSON.stringify() Using Object.fromEntries() and JSON.stringify() Method 1: Using Array.from() and JSON.stringify() To serialize a map in JavaScript, you can use the “Array.from()” method to convert a map to an array and use the JSON.stringify() method. const main_map = new Map(); main_map.set(‘a’, 1); … Read more
To convert a Set to String in JavaScript, “convert a Set to an array and then call the join() method on that array.” Here’s a step-by-step breakdown of how to convert a set to a string: Convert the Set to an array using Array.from() method. Use the Array.join() method on the resulting array to concatenate … Read more
Here are two ways to sort a map by value in JavaScript: Using Map.entries() and sort() Using Array.from() and sort() Method 1: Using Map.entries() and sort() The Map.entries() method is used to convert the Map object into an array of key-value pairs and then sort that array based on the values using sort() method. Here … Read more
There is no direct method to sort an ES6 Set in JavaScript. However, there are few approaches available. Here are two ways to sort an ES6 Set. Using Array.from(), Array.sort() and new Set() Using the Spread Operator and Sort() Method Method 1: Using Array.from(), Array.sort() and new Set() You can sort a Set by converting … Read more
To fix the TypeError: set.sort is not a function error, convert the input value to an array or ensure to call the .sort() method on valid arrays. TypeError: set.sort is not a function error occurs in JavaScript when you call the “.sort()” method on a value that is not an array. The main reason for … Read more
There is no direct method to compare ES6 Sets for equality in JavaScript. However, you can loop through the contents of the Set, check if any element in one Set exists in the other, and check if their sizes are equal. Here’s a custom function to compare two ES6 sets for equality. You can check … Read more
JavaScript Intl.Collator() constructor is used to create an Intl.Collator object. Syntax new Intl.Collator(locales,option) or Intl.Collator(locales,option) You can call the constructor with or without a new keyword. Parameters locales: A string or array of strings that represent the BCP 47 language tags. options: It is an object that has many properties like localeMatcher, usage, numeric, sensitivity, … Read more
