Why are Actions Not Allowed in Strict Mode?
Some typical actions that are forbidden in strict mode are given below: 1. Undeclared objects or variables. We have already seen that using a variable or an object without declaring it is not allowed in strict mode. Example: Output: user = {referenceError: User is not defined 2. Deleting an object, variable, or function. Example: Output: […]
Activating JavaScript Strict Mode in Individual Functions
You can also enable string mode for a particular function by adding ‘use strict’; or “use strict”; at the beginning of the function. Syntax: functionfunctionName() { ‘use strict’; // function body}// orfunctionfunctionName() { “use strict”; // function body} This statement should be the first statement of the function excluding comments. Adding ‘use strict’; or “use strict”; at the beginning […]
JavaScript Strict Mode: What it Does and Doesn’t AllowJavaScript Strict Mode: What it Does and Doesn’t Allow
In this tutorial, you will learn about the strict mode in JavaSript, the process of activating strict mode for a program or an individual function in JavaScript, and some typical actions that are forbidden by strict mode in JavaScript. Activating JavaScript Strict mode For activating Strict mode, you can add ‘use strict’; or “use strict”; at the […]
Advantages of MongoDB and Mongoose
Let’s now take a look at the advantages of both the databases – MongoDB vs Mongoose. MongoDB Mongoose
What is an Object Document Mapper (ODM)?
An object document mapper (ODM) in simple terms, maps objects with a document-based database like MongoDB. An object document mapper allows a developer to define a schema for documents inside collections. It allows users or developers to structure the documents well for better representation. An ODM also enables users to add new properties and fields […]
What is a Database Management System (DBMS)?
To understand what a DBMS or a database management system is, we must understand what a database is. A database is nothing but an organized collection of structured data or information that is generally stored in a computer. A database usually interacts with a database management system (DBMS) to let the user control and manage […]
Difference Between MongoDB and Mongoose: Synopsis
Just like any other comparison guide, this one on the difference between MongoDB vs Mongoose begins with a crisp synopsis. MongoDB MongoDB is a document-oriented database management system that stores data in the form of BSON documents. It is a NoSQL also known as a Not-only SQL type database allowing users to store gigantic amounts […]
MongoDB vs Mongoose – A Quick Overview
MongoDB vs Mongoose – A Quick Overview MongoDB Mongoose Database management system Object document mapper Stores giant amounts of data Manages relationships between data Supports multiple languages Works only with MongoDB Stores collections in the database Defines schema for collections
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