Objects are containers for Properties and Methods. Properties are named Values. Methods are Functions stored as Properties. Properties can be primitive values, functions, or even other objects.

Examples of using JavaScript to access and manipulate HTML objects. Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.

JavaScript Object Methods can be grouped into: The most common way to protect an object from being changed is by using the const keyword. With const you can not re-assign the object, but you can still change the value of a property, delete a property or create a new property.

It means the datatype of what you're returning is an Object. Out of interest: what are you expecting it to return? You should use a JavaScript console to introspect the objects you're interested in (e.g. Firebug). related: Javascript - [object Object] means?

Apr 3, 2025 · In JavaScript, an object is a standalone entity, with properties and type. Compare it with a cup, for example. A cup is an object, with properties. A cup has a color, a design, weight, a material it is made of, etc. The same way, JavaScript objects can have properties, which define their characteristics.

Apr 3, 2025 · Objects can be created using the Object() constructor or the object initializer / literal syntax. Nearly all objects in JavaScript are instances of Object; a typical object inherits properties (including methods) from Object.prototype, although these properties may be …

Mar 7, 2025 · There are two primary ways to create an object in JavaScript: Object Literal and Object Constructor. 1. Creation Using Object Literal. The object literal syntax allows you to define and initialize an object with curly braces {}, setting properties as key-value pairs. 2. Creation Using new Object () Constructor. 1. Accessing Object Properties.

Apr 11, 2025 · Basic syntax: Object literals, properties and methods, nesting objects and arrays in objects. Using constructors to create a new object. Object scope, and this. Accessing properties and methods — bracket and dot syntax. An object is a …

Mar 10, 2025 · JavaScript objects consist of a set of key-value pairs, which are known as Properties. All Properties are named in JavaScript objects and the key part represents the Property name, while the value part represents the property Value. The Property Value can be of the primitive data type or an object or even a function.

Turns out "scope" is an attribute of table cell elements (<td>) and the object I assigned to this field was #toString'ed. I was very confused seeing td.scope === ' [object Object]'. If you're already using jQuery, you can use its data () method for this.