Best answer: Can JavaScript be protected?

Javascript is a client-side programming language, therefore it works on the client’s machine, so you can’t actually hide anything from the client.

Is JavaScript bad for security?

JavaScript can be dangerous if the proper precautions aren’t taken. It can be used to view or steal personal data without you even realizing that it’s happening. And since JavaScript is so ubiquitous across the web, we’re all vulnerable.

Can JavaScript be external?

External JavaScript

External scripts are practical when the same code is used in many different web pages. JavaScript files have the file extension .js.

How do I hide JavaScript in my browser?

As other have said, there is no way to protect javascript intended to run in a browser from a determined viewer. If the browser can run it, then any determined person can view/run it also.

Can JavaScript be hacked?

Malicious Code Injection. One of the most sneaky uses of JavaScript is cross-site scripting (XSS). Simply put, XSS is a vulnerability that allows hackers to embed malicious JavaScript code into an legitimate website, which is ultimately executed in the browser of a user who visits the website.

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Why is JavaScript a security risk?

One of the most common JavaScript security vulnerabilities is Cross-Site Scripting (XSS). Cross-Site Scripting vulnerabilities enable attackers to manipulate websites to return malicious scripts to visitors. … This JavaScript security issue can lead to account tampering, data theft, fraud and more.

Can JavaScript be embedded in HTML?

You can embed JavaScript in an HTML document in the following ways: As statements and functions within a <SCRIPT> tag. See the following section, “Using the SCRIPT tag”. By specifying a file as the JavaScript source (rather than embedding the JavaScript in the HTML).

Where does JavaScript go in HTML?

The <script> tag can be placed in the <head> section of your HTML or in the <body> section, depending on when you want the JavaScript to load. Generally, JavaScript code can go inside of the document <head> section in order to keep them contained and out of the main content of your HTML document.

What is the main use of JavaScript?

JavaScript is a text-based programming language used both on the client-side and server-side that allows you to make web pages interactive. Where HTML and CSS are languages that give structure and style to web pages, JavaScript gives web pages interactive elements that engage a user.

How do I protect my JavaScript code?

One of the ways to protect your code is to obfuscate it to encrypt the code and make it unreadable.

  1. Protect your code and intellectual property.
  2. Compact js to also make file size smaller and increase page speed.
  3. Work with jQuery!, NODE. …
  4. Always to preserve the operational qualities of the code.
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Can JavaScript code be hidden?

You can’t. The browser needs the JS code in order to be executed on the page. I tried to think about good cases when you would actually need to hide the code from the user but it doesn’t seem to make a lot of sense since JS is a part of the webpage.

How do I protect my HTML code?

Your only true options for protection involve copyrighting the code and, potentially, filing a patent. If what you are doing is truly different, then a patent is probably the best way to go.

Should I use JavaScript on my website?

You should use javascript and jQuery to enhance the functionality of your site. If someone has javascript turned off you should ensure that the site still works, and they can access all areas – even though there may be some things they cannot see, such as transitions and effects.

Why should I turn off JavaScript?

Disabling JavaScript may break the ability to log in, post comments, or dynamically request content, which has become incredibly common on the web today. For example, when you perform a search on Google Images, you can keep scrolling down to view more images without having to reload the page.

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