append to json object javascript in one line code example

Example 1: how to add element in json object

// base code ----------------------------------------------------------
	object["property"] = value;
	 // or
	object.property = value;
// exampel : ----------------------------------------------------------
	var myJson = { name: "mamad", family: "mirzaei" }
// i wana to add age 
	myJson.age = 26
// log =>
	console.log( "myJson >>:" ,myJson) 
// resalt =>
	{ name: "Mamad", family: "Mirzaei", age : 26 }

Example 2: javascript append to object

How about storing the alerts as records in an array instead of properties of a single object ?

var alerts = [ 
    {num : 1, app:'helloworld',message:'message'},
    {num : 2, app:'helloagain',message:'another message'} 
]
And then to add one, just use push:

alerts.push({num : 3, app:'helloagain_again',message:'yet another message'});