UseCase of Remove a key from JavaScript object
The Object.keys()
method in JavaScript is used to retrieve an array of the enumerable property names of an object. It returns an array containing the keys of the object.
There are two approaches to solving this problem which are discussed below:
- For adding any property, one could either use object_name.property_name = value (or) object_name[“property_name”] = value.
- For deleting any property, one could easily use delete object_name.property_name (or) delete object_name[“property_name”].
How to remove a key-value pair from JavaScript object?
JavaScript object is a powerful data structure that combines keys and values. Sometimes, we need to delete a specific key-value from an object. It can be done using the approaches given below.
There are several methods that can be used to remove a key from a JavaScript object:
Table of Content
- Using the reduce() and filter() methods
- Using the delete operator
- Destructuring with the Rest Operator
- Using Object.assign()
- Using Object.fromEntries() and Object.entries()
- Using _.omit method of Underscore.js library
- UseCase of Remove a key from JavaScript object
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