Hello everyone, welcome to nkcoderz.com. In this article we will going to discuss about Hello World Program In JavaScript.
The “Hello, World!” program is a simple yet classic program that is often used as an introduction to a new programming language. The program simply outputs the string “Hello, World!” to the console. In JavaScript, the program can be written in a number of ways, but the most basic version is as follows:
Table of Contents
Code For Hello World Program In JavaScript
console.log("Hello, World!");
Output
Hello, World!
Explanation
This code uses the console.log() function to output the string “Hello, World!” to the console. The console object is a built-in object in JavaScript that provides access to the browser’s developer console, and the log() function is a method of the console object that is used to output messages to the console.
Another way to write a “Hello, World!” program in JavaScript is to use the alert() function, which displays a dialog box with the message:
alert("Hello, World!");
It should be noted that the alert function is mostly used in web development, it is not very useful in other types of projects.
You can also use the document.write() function, which writes the message to the HTML document:
document.write("Hello, World!");
There are many other ways to write a “Hello, World!” program in JavaScript, but these are some of the most basic and straightforward ways to do it.
It’s worth noting that JavaScript is a versatile language, it can be run in web browser as well as on servers(Node.js) . You can use JavaScript to create dynamic web pages, control web browsers, and even build full-featured web applications. JavaScript can also be used for server-side programming with technologies like Node.js.
Conclusion
In conclusion, The “Hello, World!” program is a simple yet classic program that is often used as an introduction to a new programming language. In JavaScript, it can be written in multiple ways, but the most common is to use the console.log() function, alert() function or document.write() function.
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