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This article mainly explains "what are the common internal objects in JavaScript". The content in the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "what are the common internal objects in JavaScript"?

For references to object properties and methods in JavaScript, there are two cases: one is that the object is static, that is, there is no need to create an instance for it when referencing its properties or methods; and the other is that an instance must be created for the object or method that references it, that is, the object is a dynamic object. References to JavaScript internal objects, so they are closely surrounded by its properties and methods. Therefore, it is of great significance for mastering and understanding the internal objects of JavaScript to make clear the static behavior of objects.

1. String object

String object: internal static. When accessing properties and methods, it can be implemented using the (.) operator.

Basic use format: math object of objectName.prop/methods arithmetic function.

Function: provide some self-reporting operations except addition, subtraction, multiplication and addition. Such as logarithm, square root, etc.

Static: static object

2. Date and time object

Function: provides an object about date and time.

Static: dynamic, that is, an instance must be created using the New operator.

In addition, JavaScript also has Array objects, browsers and HTML objects. The objects in HTML object model have the characteristics of general object programming language, such as properties, methods, and events. These objects have a lot to do with the information and interactivity that the web page can provide to users, and the relationship between them can be shown in figure 4-1 below.

Thank you for your reading, these are the contents of "what are the commonly used internal objects in JavaScript?" after the study of this article, I believe you have a deeper understanding of what the commonly used internal objects in JavaScript have, and the specific use needs to be verified in practice. Here is, the editor will push for you more related knowledge points of the article, welcome to follow!

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