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Category Archives: JavaScript

JavaScript is the king that rules the world, it runs everywhere and is indeed an amazing language. According to Stack Overflow, it is the most… Read More
A captcha is a way of identifying a user whether the user is human or not.  A captcha is made up with the help of… Read More
File Upload in NodeJS means to move files from the client location to the server location. A Progress bar is a visual component that changes… Read More
The Backbone.js set collection is used to update a model or an array of models in the given collection. If the model os not there,… Read More
In this article, we will try to understand how we can reverse an array using several methods in JavaScript. We will use the below syntax… Read More
To create a zero-filled array in JavaScript, we can use the Array fill() method or the Array.from() method. Array constructor can also be used to… Read More
Unlike low-level languages like C, JavaScript automatically allocates memory when objects are created and frees it when not in use anymore (garbage collection). C has… Read More
In this article, we will see “Uncaught TypeError: document.getElementsByClassName(…).click is not a function” error created while using click() method in JavaScript.  The TypeError is an… Read More
In this article, we will see how to transform a String into a function in JavaScript. There are two ways to transform a String into… Read More
In this article, we will learn how to add TypeScript in Next.js. Why should we use TypeScript in our project? The fundamental concept of TypeScript… Read More
The Backbone.js clone is used to return the attributes of the given object in JSON format. We have to use JSON.stringify() to return the attributes.… Read More
The Backbone.js attributes model is used to define the property of the given model and uses the update/change the attributes using set() method. Syntax: Backbone.Model.attributes… Read More
document.querySelector() will return the first element that matches the specified group of selectors. If no match is found ‘null’ is returned. Syntax: var input =… Read More
In this article, we will see the Backbone.js hasChanged() model. The hasChanged() model checks if the model is changed or not, i.e. it will return… Read More
In this article, we will see the Backbone.js save() model. The Backbone.js save() model is used to save the data of the given model by… Read More

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