DEV Community: Rocoderes

Eloquent JavaScript Exercise -Range and Sum Function

Rocoderes — Mon, 16 Jan 2023 15:38:18 +0000

In this article, we will talk about a JavaScript problem which is Range and Sum Function in JavaScript. This problem is in chapter 4 of Eloquent JavaScript book which very famous for JS of course. So we will understand this problem and also solve the problem with very basic logic.
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How To Get Duplicate Object From Array in JavaScript?

Rocoderes — Fri, 13 Jan 2023 05:53:16 +0000

In this article, we are going to see how to get duplicate object from array in JavaScript? Okay, this is the JavaScript problem statement which we are going to discuss, and also we will solve it in very simple and straight-forward way.
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Computing Fibonacci Sequence in JavaScript

Rocoderes — Fri, 13 Jan 2023 05:52:18 +0000

In this article, we are going to learn and see to computing Fibonacci sequence in JavaScript. It is a basic problem, or you can say a program in JavaScript, computing Fibonacci sequence becomes more problematic when you don’t know its main logic. So we are just going to make a Fibonacci sequence with some easier and good way to help out beginners.
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How to Find Duplicate Elements in a Given Array?

Rocoderes — Sat, 24 Dec 2022 15:48:10 +0000

In this article, we are going to discuss “How to Find Duplicate Elements in a Given Array?”. Duplicate elements could be a great problem, so finding these kinds of elements becomes necessary, and also in many JS interviews, this can come into frame as a question. As a developer and a JS beginner, we should have answer of this question.
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How to Find The Count of Duplicates in an Array?

Rocoderes — Sat, 24 Dec 2022 15:46:50 +0000

In this article, we are going to discuss “How to Find The Count of Duplicates in an Array?”. Previously, we have discussed finding duplicate values from an array, and now we will see the number of duplicate values. This problem can be solved in multiple ways, but here we will see the most optimized way to solve it.
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How to Make Responsive Accordion in HTML

Rocoderes — Sun, 11 Dec 2022 14:57:28 +0000

In this article, we will make Responsive Accordion in HTML CSS & JavaScript. So what we do here is, we will add some divs for accordion titles, in which we will write some information and details. This information and details will be hidden by default, so to show that we will add a plus icon to extend the accordion. Once the information gets extended then we will replace the plus icon with cross icon to hide again the details.
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How to Make Hangman Game in JavaScript

Rocoderes — Sun, 11 Dec 2022 14:55:23 +0000

In this article, we will make hangman game with JavaScript. Obviously, we will use some HTML and CSS for structure design purpose, but main work will be done in the JavaScript part. Nowadays, Hangman game is becoming popular and many of the developers making it in different languages. So let’s understand basic idea and goal about this game.
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How to Make Dynamic Calendar in HTML & JavaScript

Rocoderes — Sun, 11 Dec 2022 14:48:24 +0000

In today’s article, we will make a dynamic calendar in HTML, CSS & JavaScript. We will create this calendar in HTML which will looks like inbuilt calendar as Microsoft calendar. So we will use HTML, CSS to design And lastly JavaScript to add functionality to change the months.
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How to Save Text as File in JavaScript

Rocoderes — Sun, 11 Dec 2022 14:46:41 +0000

In today’s article, we will be making a project to save text as file in HTML, CSS & JavaScript. Simply we will give a field in which we will allow user to add some text, and also we will add a field to name the file and file type along with a button to download the file.
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How to Make File Downloader Using JavaScript

Rocoderes — Sun, 11 Dec 2022 14:43:09 +0000

In this article, we will create file downloader using JavaScript. Basically, we will create a file downloader using JavaScript. In this we will add a URL of file like image, document, video etc. and as soon we click on provided button the file will download.
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How to Make Price Range Slider Using JavaScript

Rocoderes — Sun, 11 Dec 2022 14:40:44 +0000

In this article, we will make a price range slider using JavaScript. Here we will also add min-max input, which will vary as slider move. As we know, some e-commerce websites like Amazon, Flipkart etc. have this kind of feature, so products can be sorted as price range. We create the same thing here. We will have two input fields, one for minimum price and another for maximum value, Also we will add two sliders associated to these input fields.

How to Make a QR Code Reader in HTML, CSS & JavaScript

Rocoderes — Sat, 19 Nov 2022 09:56:55 +0000

In this article, we will make a QR code reader in HTML, CSS & JavaScript. We will make the QR code using QR API which we will use in JavaScript. In this, we will provide an area to add an image of Qr code, and as soon we upload image then it automatically tries to read the Qr code. And also, If we try to upload anything except Qr code, then it won’t read it.
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