Fabiola  Auma

Fabiola Auma

1668487435

How to Convert Binary To Decimal in Javascript

A binary number is a number expressed in base-2, as opposed to conventional decimal numbers in base-10.

Below is a live calculator.

We also have a tool to convert decimal to binary.

How the Calculator Works

Converting binary numbers to decimal is easy. For example, let x = '101010' creates a new variable x that contains the number as a string 101010. JavaScript has a parseInt() method that takes a binary and radix parameter, and returns a number. Calling parseInt(binary, radix) tells JavaScript to convert binary to a number containing the decimal representation of 101010. If binary is not a string, it will be converted to one using the toString() function.

let x = '101010';

parseInt(x, 2) // 42

The toString() method also handles non-integers and negative numbers. For example:

x = -101010
parseInt(x, 2); // -42

x = 101010.101010;
parseInt(x, 2); // 42

No Technology Method

How do you quickly convert 101010 to 42 without a computer? It takes some practice to make it easy, but here's a few ways to convert a binary string to a decimal number. One method discussed is doubling, described below:

  • Take the binary string.
  • Starting from the left, double your previous total and add the current digit.
  • Double your current total and add the next leftmost digit.
  • Repeat the previous step until you have gone through the entire string.

Below is a JavaScript function that implements the above procedure:

function toDecimal(v) {
  let binary = '';
  if(typeof v == 'string') {
    binary = v.split();
  } else {
      binary = v.toString().split();
  }
  let decimal = 0;
  for(let i = 0; i < binary.length; i++) {
      decimal = (decimal * 2) + binary[i];
  }
  return decimal;
}

Here's what the procedure looks like with 101010:

  1. 101010
  2. 101010 => 0 + 1 == 1
  3. 1 * 2 + 0 == 2
  4. 2 * 2 + 1 == 5
  5. 5 * 2 + 0 == 10
  6. 10 * 2 + 1 == 21
  7. 21 * 2 + 0 == 42

Original article source at: https://masteringjs.io

#javascript 

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How to Convert Binary To Decimal in Javascript
Lets Cms

Lets Cms

1652250166

Binary MLM Software Demo | Binary Compensation Plan, MLM Woocommerce

Binary MLM Software Demo | Binary MLM Compensation Plan, MLM Woocommerce Price USA, Philippines : Binary MLM Woocommerce Software is a web application that integrate with the Woo-commerce plugin and helps to manage binary MLM networks. LETSCMS provide worldwide service, such as USA, Hong Kong, China, UK, UAE, Jordan, Saudi Arabia, Pakistan, Philippines, Japan, Singapore, Romania, Vietnam, Canada, Hong Kong, Russia, Hungary, Romania, Poland, Thailand, Laos and many others.

Binary MLM Woo-commerce includes a two legged structure where in a parent Node has two sub nodes where each new distributor or members is placed in either left or right sub-tree. One sub-tree is known as a Power Leg or Profit Leg while the second sub-tree is a Profit Leg or a weak leg.. It  is one of the basic Binary MLM plan which is required by all the MLM organizations be it small or large. The binary MLM plan helps admin managing users or sub nodes in a binary network to keep record of their income, expenses etc.

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Vedio : https://www.youtube.com/watch?v=gji5XnnTJNc&list=PLn9cGkS1zw3QMCC-89p5zK39mPtfltkwq&index=5

 

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Santosh J

1622036598

JavaScript compound assignment operators

JavaScript is unarguablly one of the most common things you’ll learn when you start programming for the web. Here’s a small post on JavaScript compound assignment operators and how we use them.

The compound assignment operators consist of a binary operator and the simple assignment operator.

The binary operators, work with two operands. For example a+b where + is the operator and the a, b are operands. Simple assignment operator is used to assign values to a variable(s).

It’s quite common to modify values stored in variables. To make this process a little quicker, we use compound assignment operators.

They are:

  • +=
  • -+
  • *=
  • /=

You can also check my video tutorial compound assignment operators.

Let’s consider an example. Suppose price = 5 and we want to add ten more to it.

var price = 5;
price = price + 10;

We added ten to price. Look at the repetitive price variable. We could easily use a compound += to reduce this. We do this instead.

price += 5;

Awesome. Isn’t it? What’s the value of price now? Practice and comment below. If you don’t know how to practice check these lessons.

Lets bring down the price by 5 again and display it.
We use console.log command to display what is stored in the variable. It is very help for debugging.
Debugging let’s you find errors or bugs in your code. More on this later.

price -= 5;
console.log(price);

Lets multiply price and show it.

price *=5;
console.log(price);

and finally we will divide it.

price /=5;
console.log(price);

If you have any doubts, comment below.

#javascript #javascript compound assignment operators #javascript binary operators #javascript simple assignment operator #doers javascript

Rahul Jangid

1622207074

What is JavaScript - Stackfindover - Blog

Who invented JavaScript, how it works, as we have given information about Programming language in our previous article ( What is PHP ), but today we will talk about what is JavaScript, why JavaScript is used The Answers to all such questions and much other information about JavaScript, you are going to get here today. Hope this information will work for you.

Who invented JavaScript?

JavaScript language was invented by Brendan Eich in 1995. JavaScript is inspired by Java Programming Language. The first name of JavaScript was Mocha which was named by Marc Andreessen, Marc Andreessen is the founder of Netscape and in the same year Mocha was renamed LiveScript, and later in December 1995, it was renamed JavaScript which is still in trend.

What is JavaScript?

JavaScript is a client-side scripting language used with HTML (Hypertext Markup Language). JavaScript is an Interpreted / Oriented language called JS in programming language JavaScript code can be run on any normal web browser. To run the code of JavaScript, we have to enable JavaScript of Web Browser. But some web browsers already have JavaScript enabled.

Today almost all websites are using it as web technology, mind is that there is maximum scope in JavaScript in the coming time, so if you want to become a programmer, then you can be very beneficial to learn JavaScript.

JavaScript Hello World Program

In JavaScript, ‘document.write‘ is used to represent a string on a browser.

<script type="text/javascript">
	document.write("Hello World!");
</script>

How to comment JavaScript code?

  • For single line comment in JavaScript we have to use // (double slashes)
  • For multiple line comments we have to use / * – – * /
<script type="text/javascript">

//single line comment

/* document.write("Hello"); */

</script>

Advantages and Disadvantages of JavaScript

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Hire Dedicated JavaScript Developers -Hire JavaScript Developers

It is said that a digital resource a business has must be interactive in nature, so the website or the business app should be interactive. How do you make the app interactive? With the use of JavaScript.

Does your business need an interactive website or app?

Hire Dedicated JavaScript Developer from WebClues Infotech as the developer we offer is highly skilled and expert in what they do. Our developers are collaborative in nature and work with complete transparency with the customers.

The technology used to develop the overall app by the developers from WebClues Infotech is at par with the latest available technology.

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Niraj Kafle

1589255577

The essential JavaScript concepts that you should understand

As a JavaScript developer of any level, you need to understand its foundational concepts and some of the new ideas that help us developing code. In this article, we are going to review 16 basic concepts. So without further ado, let’s get to it.

#javascript-interview #javascript-development #javascript-fundamental #javascript #javascript-tips