# 40. implement Bubble Sort

JavaScriptAlgorithmIs this helpful ?

Share

easy - accepted / - tried

Even for Front-End Engineer, it is a must to understand how basic sorting algorithms work.

Now you are asked to implement Bubble Sort, which sorts an integer array in ascending order.

Do it **in-place**, no need to return anything.

*Follow-up*

What is time cost for average / worst case ? Is it stable?