add number_of_1_bits.js
add number_of_1_bits.js

luoyetx/Coding4Fun,luoyetx/Coding4Fun,luoyetx/Coding4Fun,luoyetx/coder,luoyetx/Coding4Fun,luoyetx/coder,luoyetx/Coding4Fun,luoyetx/coder,luoyetx/coder,luoyetx/LearnCode,luoyetx/LearnCode,luoyetx/LearnCode,luoyetx/LearnCode,luoyetx/LearnCode,luoyetx/Coding4Fun,luoyetx/coder,luoyetx/LearnCode,luoyetx/coder