how to add property to object in javascript
var data = {
'PropertyA': 1,
'PropertyB': 2,
'PropertyC': 3
};
data["PropertyD"] = 4;
// dialog box with 4 in it
alert(data.PropertyD);
alert(data["PropertyD"]);how to add property to object in javascript
var data = {
'PropertyA': 1,
'PropertyB': 2,
'PropertyC': 3
};
data["PropertyD"] = 4;
// dialog box with 4 in it
alert(data.PropertyD);
alert(data["PropertyD"]);set property js
There might not seem to be a difference with 'color' but consider:
element.style.backgroundColor = 'blue' // works
element.style['backgroundColor'] = 'blue' // works
element.style['background-color'] = 'blue' // does not work
element.style.setProperty('background-color','blue') // works
element.style.setProperty('backgroundColor','blue') // does not workjavascript add to object
var element = {}, cart = [];
element.id = id;
element.quantity = quantity;
cart.push(element);
// Array of Objects in form {element: {id: 10, quantity: 10} }
var element = {}, cart = [];
element.id = id;
element.quantity = quantity;
cart.push({element: element});how to change object property value in javascript
myObject.sProp = 'A new string value for our original string property';javascript object string property
// Also useful for dynamic strings, e.g. `thing-${variable}`
myObject['thing'] = true;js create object with properties
function Car(make, model, year) {
this.make = make;
this.model = model;
this.year = year;
}Copyright © 2021 Codeinu
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