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What is an object in Javascript Before creating an object in javascript, let's understand what is an object in javascript and its behavior JavaScript has an object entity with a combination of properties. An object has the key-value pair. Every element has the name which is called key Objects help…
What is javascript Javascript is a lightweight, cross-platform and object-oriented computer programming language. Lightweight: The Javascript uses very little memory of the computer. And Javascript has a very simple syntax. Cross-platform: Javascript can be used on multiple platforms and systems. Object-oriented: Javascript is a language that's based on objects. Everything…
Difference between undefined and null in javascript In this article, we will study what is the difference between undefined and null in javascript with examples, let's look at the definition of What is undefined in Javascript? In javascript undefined is also treated as a primitive value. That means it is…
What is apply in Javascript and when to use The apply method allows passing the value of this and it accepts 2 parameters. First parameter: The value which should be bound to this Second parameter: An array with parameters Let's write an example to see how apply method can be…
What is call in Javascript and when to use The call method in javascript helps you to call a function with a given this value. And the call method is almost similar to the application method. The major difference is that the call method can receive an argument list and…
What is bind in javascript and when to use Let's take a quick overview of the below points in order to learn what is bind Javascript has a scope and scope creates a context for functions. For example, If you create a variable inside the function then that variable can…
Find a pair of elements from an array whose sum equals a given number in javascript: We can find a pair of elements from an array whose sum equals a given number in javascript in a different way. Listing the easiest methods. Solution 1 : The first thing is …
Remove duplicates from a given array in Javascript: There are a lot of methods to remove duplicate elements from an array. Solution 1 I am trying to write a javascript code that takes a for loop and sets a value into a new array function removeDuplicates(array) { var indexValue…
Mac notes app in angular js In this chapter, we will learn how to build a Mac notes app in angular js. We are using the technology angular js, HTML, bootstrap, and javascript. You can find the complete source code in the GitHub source code for Mac notes app in…