Create 1012-complement-of-base-10-integer.js

Author: everthis

1012-complement-of-base-10-integer.js

@@ -0,0 +1,16 @@
+/**
+ * @param {number} N
+ * @return {number}
+ */
+const bitwiseComplement = function(N) {
+    let binStr = bin(N)
+    let str = ''
+    for(let i = 0; i < binStr.length; i++) {
+      str += binStr[i] === '0' ? '1' : '0'
+    }
+    return parseInt(str, 2)
+};
+
+function bin(N) {
+  return (N >>> 0).toString(2)
+}