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“Add New Properties to a JavaScript Object” Code Answer’s

how to add property to object in javascript

javascript by Sleep Overflow

on Apr 16 2020 Donate

var data = {
    'PropertyA': 1,
    'PropertyB': 2,
    'PropertyC': 3
};

data["PropertyD"] = 4;

// dialog box with 4 in it
alert(data.PropertyD);
alert(data["PropertyD"]);

Source: stackoverflow.com

how to a property from a JavaScript object

javascript by Mobile Star

on Nov 27 2019 Donate

delete myObject.regex;
// or,
delete myObject['regex'];
// or,
var prop = "regex";
delete myObject[prop];


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

console.log(myObject);

Add New Properties to a JavaScript Object

javascript by Outrageous Ocelot on Jul 19 2020 Donate

var myDog = {
  "name": "Happy Coder",
  "legs": 4,
  "tails": 1,
  "friends": ["freeCodeCamp Campers"]
};

myDog.bark = "woof";
// or
myDog["bark"] = "woof";