It was kind of obvious that checking whether some value is an object by
ensuring that it's not any of the existing primitives would stop working if a
new primitive was added, which effectively happened with symbols. If some
library used that, I think it is to blame. Instead, I would recommend something
more simple and reliable like
```js
function isObject(value) {
return Object(value) === value;
}
function isObject(value) {
return new function(){ return value } === value;
}
```
--Oriol
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