A-M baby

Task/Four-bit-adder/JavaScript/four-bit-adder-1.js

@@ -0,0 +1,14 @@
+function acceptedBinFormat(bin) {
+    if (bin == 1 || bin === 0 || bin === '0')
+        return true;
+    else
+        return bin;
+}
+
+function arePseudoBin() {
+    var args = [].slice.call(arguments), len = args.length;
+    while(len--)
+        if (acceptedBinFormat(args[len]) !== true)
+            throw new Error('argument must be 0, \'0\', 1, or \'1\', argument ' + len + ' was ' + args[len]);
+    return true;
+}