loading...

re: JavaScript Map is getting upsert! VIEW POST

FULL DISCUSSION
 

Thanks for share it, that is a very good addition. One question:

What do you mean by Map doesn't have prototype at all ?

I did a little test on my machine an got this

image

 

I believe he misspoke. His comparison was that, when using a plain Object as a map, you have to worry about the keys from the prototype chain. When using a Map, there are no keys already defined in the Map. A Map object is still and object and still uses the prototype chain to define itself.

code of conduct - report abuse