How to activate and enable JavaScript in all web browsers? Step-by-step guide

JavaScript is a web page programming language which allows assigning various functions to these elements to make them more interactive. A skilled programmer can equip their website with dynamic menus, sound, and many other features with themThat's why most browsers available today allow the use of these add-ons.

However, in many cases these are disabled for certain domains. This occurs with the intention to avoid loading unnecessary elements that increase the loading time of a website and torpedo the user experience, so their activation is a choice of each internet user, although sometimes these are necessary to perform many actions within the page.

For example, if a website displays real-time content updates, interactive graphics, shopping carts, or animations, It is very likely that Java scripts are involvedFurthermore, some HTML and CSS programming functions may also be affected, since these three languages ​​are combined and complement each other in a dynamic website.

Steps to enable JavaScript depending on your browser

In this guide we will teach you How to activate these scripts in the main browsers currently availableIn simple steps you will learn everything you need to know to activate and deactivate them at will according to your needs.

Although to develop a website with JavaScripts fairly advanced programming skills are requiredActivating these features is extremely simple. In just under two minutes, you can activate them and enjoy all the add-ons each site offers.

On Android

Smartphones with this operating system They have a factory-installed navigation system.Depending on the software version you have, it will be called “Internet" or "ExplorerTo activate the scripts in this, you must follow the steps explained below:

• Since it's a Google Android device, the default browser will be Chrome.
• Open the browser and tap the three dots located in the upper right corner of the application screen.
• This will display a menu in which you must locate the option “Configuration”, which will open a browser settings window.
• On the settings screen you must select “Advanced"which will show you more modifiable aspects."
• Locate the option "Content Options"which will send you to a new screen with many more options."
• Locate the option "Enable JavaScripts"and check it to activate the scripts you want and that's it, the activation process will be complete."

Once you have activated the scripts, you will be able to freely navigate any responsive website developed with this language. without needing to restart the browser, although you may need to refresh the website if you were already on it before enabling them.

On iOS (iPhone)

Activating them on this operating system is possibly the easiest thing in the world; the steps to follow are:

• Drag your finger from bottom to top to expand the device control center.
• Choose "Settings"so you can see more customizable aspects of the terminal."
• Scroll down until you find the option “safari"which corresponds to the default browser on iOS devices."
• Scroll down again until you reach the section on “Security"where you will find a series of switches."
• Turn on the “JavaScript"And that's it, now every time you visit a website you'll be able to see all the components developed in this language."

In the Google Chrome browser

In Google Chrome you can activate them in two ways, below we explain how:

• Open the browser on your computer.
• Click on the three points in the upper right corner of the screen.
• A Chrome menu will appearLook for the option “Configuration".

• This will take you to a new tab where all the possible settings will be available.
• Click on "Advanced".
• Find the section “Privacy & Security” and locates the “Content Settings".

• Once inside you must locate “JavaScripts"and mark them as turned on."

The second way to do this is a little easier, but it will only activate them for a specific website. Here's what you need to do:

• Open the browser and Go to a website that requests JavaScript files..
• A notification will appear in the top left corner of the screen asking for permission to enable JavaScript on that website.
• Click allow and you're doneThe website will automatically update and all the plugins developed with this language will be available.

In Mozilla Firefox

In this browser the process is a little more tediousBut it's still very easy. Plus, there are several add-ons that will give you even more control over these. Below, we explain how to apply all these changes.

• Open your browser and type “About: config" (without quotation marks).
• A page with a warning message will load; you must click on “I accept the risk!".

• It will send you to a new page where there will be a list with thousands of commands.
• In the search bar type “JavaScripts".
• The list above will be reduced to only the commands that have that name; you must identify the one that says “javascripts:eneabe".
• Check the value of these scripts; if it says “False" means they are deactivated and if it says "True"That's because they're active." Click on this value to change it as you wish.

*Firefox makes available to you accessories to protect you from certain attacks through scripts. One of them is NoScriptsA security tool that allows you to block scripts on websites you don't trust. To do this, you need to:

• Open your browser and click on the three bars in the top corner right of the screen.
• Look for the option "Accessories”, which will send you to the official Mozilla add-ons catalog.
• Once there, select the option “Get Add-ons” and in the search bar type “NoScripts".
• Click on "Get Add-on"And wait for it to install, a process that won't take more than a couple of minutes, and that's it."

Now, whenever you visit an untrustworthy website, Java scripts will be blocked, and you'll be asked for permission before unblocking them. A very effective way to keep yourself protected from Spectre, Meltdown and Clickjacking attacks.

In Safari

To allow scripts in Apple's official browser on Mac computers, simply follow these steps:

• Open the browser on your Mac.
• Click on "safari"in the menu bar located at the top of the interface.
• Look for the option "Preferences”, which will open a sub-window with multiple options where you must enter the section of “Security".
• In security you will see all the content options, you should look for “Enable JavaScripts"and mark them to activate them. With this you will have finished the process.

In Internet Explorer (Microsoft Edge)

In this browser the process is a little more complex, but it won't take you more than a couple of minutes to enable JavaScript if you follow these steps:

• Write about: config o about: flags in the address bar. This opens the Microsoft Edge developer settings menu.
• Enable asm.js in the JavaScript section. Scroll down to these options to select them.
• You can also enable experimental JavaScript features, which can also improve performance.
• If you're experiencing any stability issues with Edge, you can easily disable those two options again.
• Restart Microsoft EdgeHey, enjoy.

In Opera

This browser is one of the most complete, so it uses multiple scripts in its own interface, which is why these are almost always active. If they are not already activated, the process to activate them is as follows:

• Open your browser and click on the Opera logo in the top left corner of the interface.
• Locate the option "Configuration” and once there, select “Advanced"in the options column on the left of the screen.
• Enter the section "Privacy & Security” and look for the option “Content Settings".
• Once there, locate “JavaScriptsThis will open a small section with a switch to enable or disable them. Make sure it's blue, and you're all set. You now have JavaScript enabled in your Opera browser.

Precautions to keep in mind regarding JavaScripts

A 100% secure web doesn't exist; it's a fantasy many users believe, but the reality is that you always have to be careful. JavaScripts and other types of scripts are tools used by cybercriminals to attack websites. main vulnerabilities of computer architecturesTherefore, we must be very careful with the websites we access.

The attacks Spectre, Meltdown and Clickjacking They can allow a skilled hacker to access your most confidential information, from simple photos to credit card details and social media passwords. All of this from a simple script.

Vulnerabilities are like technologyA new one is always appearing. Luckily, the developers of each platform are aware of this, so they work hard to make their platforms more secure. Therefore, the best way to stay protected is to update your browsers and plugins. Flash Player and Java constantly, as each version corrects every vulnerability that appears.

Best extensions and add-ons for safe browsing

To help you keep your computer secure, tools have been developed in browsers that will make your life easier. Some of these elements are:

• NoScripts: We've already shown you how to install it. This is a Firefox add-on that will block all scripts from untrusted websites.
• Unshorten.link: This Google Chrome extension will block pop-up links from untrusted providers to prevent them from infecting your website with malware and Trojans.
• ShadowCrypt: Another Chrome extension that will help you encrypt all the messages you send via Facebook and Twitter, including multimedia files.