convert binary to decimal javascript
var digit = parseInt(binary, 2);convert binary to decimal javascript
var digit = parseInt(binary, 2);binary to int javascript
let binary = 0001
parseInt(binary, 2)
// returns 1convert binary to decimal javascript
const binaryArrayToNumber = arr => {
let len = arr.length
let pow = []
let decimal = []
for(let i = 0; i <= len - 1; i++){
pow.unshift(i)
}
arr.forEach((x,index) => {
decimal.push(x*2**pow[index])
})
let toDecimal = decimal.reduce((acc, curr) => acc + curr, 0)
return toDecimal
};
console.log(binaryArrayToNumber([1, 0, 1, 1]))Binary to Decimal Converter Using JavaScript
const input = document.querySelector("#input");
const output = document.querySelector("#output");
const btn = document.querySelector("#btn");
const error = document.querySelector("#error-msg");
function Bin2Dec() {
const regEx = /^[0-1]+$/;
if(input.value.match(regEx)) {
const binArr = input.value.split('').reverse();
let decNo = 0;
binArr.forEach((item, index) => item === '1' ? decNo += Math.pow(2, index) : void 0);
output.value = decNo.toString();
output.style.cursor = 'text';
}else {
error.style.display = 'block';
}
}
btn.addEventListener('click', () => {
error.style.display = 'none';
Bin2Dec();
})Copyright © 2021 Codeinu
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