How Do I Remove a Property from a JavaScript Object?

Removing Properties from JavaScript Objects

In JavaScript, you can dynamically modify an object by adding or removing properties. This article focuses on the task of removing a specific property from an object.

Consider the following JavaScript object:

let myObject = {
  "ircEvent": "PRIVMSG",
  "method": "newURI",
  "regex": "^http://.*"
};

The goal is to remove the "regex" property from this object to obtain the following result:

let myObject = {
  "ircEvent": "PRIVMSG",
  "method": "newURI"
};

Using the delete Keyword

To remove a property from an object, you can use the delete keyword. You can specify the property to remove in three ways:

1. Dot Notation: delete myObject.regex
2. Bracket Notation: delete myObject['regex']
3. Variable: var prop = "regex"; delete myObject[prop]

Demonstration:

delete myObject.regex;

console.log(myObject); // Logs the modified object without the "regex" property

Output:

{ ircEvent: 'PRIVMSG', method: 'newURI' }

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