update value of object javascript code example
Example 1: how to add property to object in javascript
var data = {
'PropertyA': 1,
'PropertyB': 2,
'PropertyC': 3
};
data["PropertyD"] = 4;
alert(data.PropertyD);
alert(data["PropertyD"]);
Example 2: js change value in object
var object = { boo:true, baa:5 };
console.log(object);
function change() {
object.boo = false;
object.baa++;
};
change();
console.log(object);
Example 3: how to update object in javascript
myObject['first name'] = 'John';
Example 4: update object within object by id js
return myArray.map((item) => {
return item.id === myId
? UPDATED_OBJECT_HERE
: item;
});