Create 191-number-of-1-bits.js

Author: everthis

191-number-of-1-bits.js

@@ -0,0 +1,14 @@
+/**
+ * @param {number} n - a positive integer
+ * @return {number}
+ */
+const hammingWeight = function(n) {
+    let str = (n >>> 0).toString(2)
+    let count = 0
+    for(let i = 0; i < str.length; i++) {
+        if(str.charAt(i) === '1') {
+            count += 1
+        }
+    }
+    return count
+};