Initial data commit

Task/Gray-code/JavaScript/gray-code-1.js

@@ -0,0 +1,13 @@
+export function encode (number) {
+    return number ^ (number >> 1)
+}
+
+export function decode (encodedNumber) {
+    let number = encodedNumber
+
+    while (encodedNumber >>= 1) {
+        number ^= encodedNumber
+    }
+
+    return number
+}

Task/Gray-code/JavaScript/gray-code-2.js

@@ -0,0 +1,22 @@
+import printf from 'printf' // Module must be installed with npm first
+import * as gray from './gray-code.js'
+
+console.log(
+    'Number\t' +
+    'Binary\t' +
+    'Gray Code\t' +
+    'Decoded Gray Code'
+)
+
+for (let number = 0; number < 32; number++) {
+    const grayCode = gray.encode(number)
+    const decodedGrayCode = gray.decode(grayCode)
+
+    console.log(printf(
+        '%2d\t%05d\t%05d\t\t%2d',
+        number,
+        number.toString(2),
+        grayCode.toString(2),
+        decodedGrayCode
+    ))
+}