Basic And Variables MCQ question and answer in javascript with solution

All these facilities are available in JavaScript. Additionally, all development environments provide syntax to create and use memory variables, constants, and functions.

A Live Wire database driver also supports a number of non-relational databases.

If the script tag is placed after the body tag, then, it will not be evaluated at all. Also, it is always recommended and effective to use the script snippet in the <head> tag.

To minimize storage requirements, JavaScript is always a better say.

In order to load a page, the browser must parse the contents of all script tags, which adds additional time to the page load) By minimizing the amount of JavaScript needed to render the page, and deferring parsing of unneeded JavaScript until it needs to be executed, you can reduce the initial load time of your page.

JavaScript is a versatile programming language that can be written in various ways depending on the context and requirements. The correct answer is all of the mentioned options.

Let's break down each option:
Option A, "directly into JS file and included into HTML," refers to writing JavaScript code in a separate JS file with a .js extension and then linking that file to an HTML page using the script tag. This is a common approach to organize and reuse JavaScript code.
Option B, "directly on the server page," implies writing JavaScript code within a server-side scripting language like PHP, ASP, or Node.js. In this case, the JavaScript code is processed on the server before sending the response to the client.
Option C, "directly into HTML pages," involves writing JavaScript code directly within the script tags in an HTML file. This allows for inline scripting and is suitable for small-scale applications or quick prototyping.

Therefore, option D, "all of the mentioned," is the correct answer as JavaScript can be written in JS files, included in HTML, written on the server page, or directly into HTML pages based on the specific requirements of the project.

A ”src” attribute could be used to add any external code into the HTML document.