LAS file loader

can we load las file in three js?

There is no THREE.LASLoader. But you might find the code of the following npm package useful:

ohk. so using these package Can I load LAS in three.js?

No, but you could implement a loader based on this code.

ohk. using that packages I got data from binary las file.
but there is no direct browser build for that packages.
so how can i import data to my three.js code