How to execute JavaScript statements

This article mainly introduces "how to execute JavaScript statements". In daily operation, I believe many people have doubts about how to execute JavaScript statements. The editor consulted all kinds of materials and sorted out simple and easy-to-use operation methods. I hope it will be helpful to answer the doubts about "how to execute JavaScript statements". Next, please follow the editor to study!

In HTML, JavaScript statements are "instructions" that are "executed" by web browsers.

JavaScript program

A computer program is a series of "instructions"executed" by a computer.

In programming languages, these programming instructions are called statements.

A JavaScript program is a series of programming statements.

Note: in HTML, the JavaScript program is executed by the web browser.

JavaScript statement

The JavaScript statement consists of the following:

Values, operators, expressions, keywords, and comments.

This statement tells the browser to output "Hello Kitty." in the HTML element of id= "demo":

Example

Document.getElementById ("demo"). InnerHTML = "Hello Kitty."

Most JavaScript programs contain many JavaScript statements.

These statements are executed one by one in the order in which they were written.

Note: JavaScript programs (and JavaScript statements) are often referred to as JavaScript code.

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