JavaScript

Fixing “Object is possibly ‘null'” Error in Angular Reactive Form Validation

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This article will show how you can fix the issue “Object is possibly ‘null’” Error in Angular Reactive Form Validation. If you are using Angular v10 or above, you might encounter the “Object is possibly ‘null’” error in Angular reactive form validations, particularly when accessing the errors property of a form control. This error is …

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Fixing Angular WARNING in Budgets: Maximum Exceeded for Initial Error

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This article will show how to fix the issue Angular WARNING in Budgets: Maximum Exceeded for Initial Error. As your Angular application grows in functionality, it’s common to encounter the “WARNING in budgets, maximum exceeded for initial” error. This error indicates that the size of your application bundle has surpassed the predefined limits set in …

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Fix the issue- origin ‘http://localhost:4200’ has been blocked by CORS policy in Angular

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This article will show how to fix the issue “origin ‘http://localhost:4200’ has been blocked by CORS policy” in Angular. When working with Angular applications, you may encounter the “Origin ‘http://localhost:4200’ has been blocked by CORS policy” error when attempting to access a cross-domain backend API. This tutorial provides three solutions to address this issue. Solution …

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Resolving “Error: This command is not available when running the Angular CLI outside a workspace in Angular”

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This article will show how to resolve “Error: This command is not available when running the Angular CLI outside a workspace” in Angular. Angular CLI (Command Line Interface) is a powerful tool for developing and managing Angular applications. However, sometimes you might encounter an error message like “Error: This command is not available when running …

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JavaScript: How to Print a Message to the Error Console

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In this tutorial, we’ll explore different methods to print messages to the error console. Printing messages to the error console is a useful technique for debugging and logging in JavaScript. It allows developers to track the flow of their code and identify errors or unexpected behavior. Using console.error() The console.error() method is specifically designed to …

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Fixing “Uncaught SyntaxError: Unexpected end of input” in JavaScript

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This tutorial will guide you through the common causes of this error “Uncaught SyntaxError: Unexpected end of input” and provide solutions to fix it. If you encounter the “Uncaught SyntaxError: Unexpected end of input” error in your JavaScript code, it means that there is a syntax issue in your code that causes the JavaScript engine …

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Check for Internet Connectivity in Node.js

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In this tutorial, we will explore different methods to check for internet connectivity. When developing Node.js applications that interact with the internet, it’s crucial to ensure that there is an active internet connection. Using the is-online Library The is-online library provides a simple way to check for internet connectivity in Node.js. Create a New Node.js …

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Get the _id of Inserted Document in Mongo Database in Node.js

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This article will show how to get the _id of Inserted Document in Mongo Database in Node.js. In MongoDB, each document is assigned a unique identifier called _id. When inserting a new document into a collection using Node.js, you may want to retrieve the _id of the inserted document for further use. Using Object Reference …

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Pass a parameter to a setTimeout() callback in JavaScript

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This article will show how you can pass a parameter to a setTimeout() callback in JavaScript. In JavaScript, the setTimeout() function is commonly used to execute a specified function after a given delay. However, passing parameters to the callback function inside setTimeout can be done in various ways. Anonymous Function The traditional approach is to …

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