Fix methodname and parameter type in BinaryToDecimal.js (TheAlgorithms#392)

* Update BinaryToDecimal.js

Fix typo in name

* Update BinaryToDecimal.js

Co-authored-by: vinayak <itssvinayak@gmail.com>

Author: LordKa0S

Conversions/BinaryToDecimal.js

@@ -1,11 +1,14 @@
-function binaryToDeicmal (binaryNumber) {
+const binaryToDecimal = (binaryString) => {
   let decimalNumber = 0
-  const binaryDigits = binaryNumber.split('').reverse() // Splits the binary number into reversed single digits
+  const binaryDigits = binaryString.split('').reverse() // Splits the binary number into reversed single digits
   binaryDigits.forEach((binaryDigit, index) => {
     decimalNumber += binaryDigit * (Math.pow(2, index)) // Summation of all the decimal converted digits
   })
-  console.log(`Decimal of ${binaryNumber} is ${decimalNumber}`)
+  console.log(`Decimal of ${binaryString} is ${decimalNumber}`)
+  return decimalNumber
 }
 
-binaryToDeicmal('111001')
-binaryToDeicmal('101')
+(() => {
+  binaryToDecimal('111001')
+  binaryToDecimal('101')
+})()