I’m a bit confused with JavaScript’s delete
operator.I am begginer in JS and I have a problem with removeName(person)
. Take the following piece of code:
let user = {}; user.name = "name"; export default function removeName (person){ delete user.name; return new Object(person) } removeName(user); console.log(user);
After this piece of code has been executed,I take as output {}
but I want the below the function
removeName (person)
, accept the person object as a parameter, and
modifies the person object by deleting the property name field. THE
function will not return anything, it will modify the object directly.
I’m a bit confused because I think that i solve but I do not get the result I need.
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Answer
There are two big differences between the expectations you have described and your code:
- you remove a property from
user
, which is the same object that you pass in this specific case, but if you passed something else, your currentfunction
would incorrectly removeuser
‘s name even if you intended to remove thename
of another object - your function returns a value, while you stated that it’s not your intention
let user = {}; user.name = "name"; function removeName (person){ delete person.name; } removeName(user); console.log(user);