[lisivka]

Of course, I know that. But companies are rich. They both have their own major browsers. They can just pay to Mozilla and Apple (two remaining major browsers) to support their language(s). Libraries are not a problem for .Net, Go, Swift, Rust.

So why M$ and Google cannot beat poor javascript?

[Dylan16807]

What's money going to do? Unless you're suggesting they bribe millions of developers to switch.

Some things can't be solved by throwing money at them.

[lisivka]

All four companies have success with their own programming languages, which is not an easy task to do. Some of them are also succeed with their own OSes too, which is even harder. They CAN replace JS if they push a language strong enough. They cannot do that because replacement languages are worse than JS.