How do I remove items from a Map in JavaScript?
You can use the delete
method to remove an item from a Map. For example, myMap.delete(key)
.
What if the key doesn't exist in the Map?
If the key doesn't exist, the delete
method will simply return false
and the Map will remain unchanged.
Can I remove all items from the Map at once?
Yes, you can use the clear
method to remove all items from the Map: myMap.clear()
.
Are there any performance considerations when removing items?
Removing items from a Map is generally efficient, but frequent deletions can impact performance in large Maps.
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