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How can you define an object in JavaScript?
Loosely speaking, objects in JavaScript may be defined as an unordered collection of related data, of primitive or reference types, in the form of “key: value” pairs. These keys can be variables or functions and are called properties and methods, respectively, in the context of an object.
How are the values written for JavaScript objects?
Fortunately, JavaScript provides a data type specifically for storing sequences of values. It is called an array and is written as a list of values between square brackets, separated by commas. The notation for getting at the elements inside an array also uses square brackets.
How are the properties of an object defined in JavaScript?
The properties of an object define the characteristics of the object. You access the properties of an object with a simple dot-notation: objectName.propertyName. Like all JavaScript variables, both the object name (which could be a normal variable) and property name are case sensitive.
What are the values written as in JavaScript?
JavaScript Objects. The values are written as name:value pairs (name and value separated by a colon). JavaScript objects are containers for named values called properties or methods.
How to set the value of an element in JavaScript?
In order to set the value of a text input field element in a form, we can use the following code: oFormObject.elements [“element_name”].value = ‘Some Value’; Let us look at an example to illustrate how to set the value of the text input element through javascript.
How to get property name of object in JavaScript?
The destructuring defines a variable name with the value of property name. When you get used to object destructuring, you will find that its syntax is a great way to extract the properties into variables. Choose the object destructuring when you’d like to create a variable having the property value.