Sometimes, we want to convert a decimal string to a binary string with JavaScript.
In this article, we’ll look at how to convert a decimal string to a binary string with JavaScript.
How to convert a decimal string to a binary string with JavaScript?
To convert a decimal string to a binary string with JavaScript, we can use the JavaScript number’s toString method.
For instance, we write:
const num = '123'
const b = Number(num).toString(2)
console.log(b)
We call Number with num to convert num to a number.
Then we call toString on the returned number with 2 to convert it to a binary string.
As a result, b is '1111011'.
Conclusion
To convert a decimal string to a binary string with JavaScript, we can use the JavaScript number’s toString method.
