JavaScript, to put it simply, is a programming language that was created to interact with an HTML page back in 1995 by a Netscape specialist.

To date a large number of web resources (including us) use this language to expand the functionality of their site. Web browsers (browsers) are equipped with fine adjustments, in which you can enable or disable the option you need, in our case - JavaScript support. By disabling JavaScript in your browser, you risk not receiving the information you need on a particular site, or you will be faced with limited functionality.

How to enable/disable JavaScript in the Mozilla Firefox browser?

So, we'll start with my favorite browser - Mozilla Firefox. To include in it JavaScript processing, do the following.

1. Go to browser configuration. To do this in address bar browser you enter:

About:config

and press " Enter" on keyboard.

After you press Enter, a warning page will open in front of you:

On it you press " I take the risk!».

Javascript.enabled

after which you will be presented with one match:

The found configuration is responsible for the state of JavaScript processing in your browser. You double click on it left mouse button, thereby changing its state, where the value " false" means disable JavaScript processing in the browser, and " true”, respectively, – inclusion.

How to enable/disable JavaScript in the Opera browser?

Enabling JavaScript processing is a little easier in this browser than in Mozilla Firefox.

1. Go to your browser settings. To do this, press the key combination on your keyboard:

P – English. An alternative call to the settings page is possible through the menu, which opens by clicking on the logo in the left top corner or through the search bar where you enter:

Opera://settings

and press " Enter" on keyboard.

2. On the page that opens, on the left side of the screen you click on the item “ Additionally" and in the menu that opens, select " Safety»:

and go to it.

4. In this section you are looking for " JavaScript»:

and also go to it.

5. On the page that opens, you enable JavaScript processing (the checkbox should turn blue) or disable (optional) (the checkbox should turn gray):

In addition, on the same page you can add exceptions in the form of a white (allowed sites) and black (prohibited sites) list of sites.

How to enable/disable JavaScript in Google Chrome browser?

To enable JavaScript processing in the browser Google Chrome, do the following.

1.

Chrome://settings

and press " Enter" on keyboard.

An alternative call to the settings page is possible through the menu, which opens by clicking on the three dots in the upper right corner.

3. On the page that opens you search for “ Content Settings»:

and go to it.

4. On new page you are looking for " JavaScript»:

and also go to it.

5. On the page that opens, enable or disable (optional) JavaScript processing:

To do this, move the checkbox to the appropriate state.

In addition, on the same page you can add exceptions in the form of a white (allowed sites) and black (prohibited sites) list of sites.

How to enable/disable JavaScript in Yandex Browser?

To enable JavaScript processing in Yandex Browser, do the following.

1. Go to settings. To do this, enter the following into the address bar of your browser:

Browser://settings

and press " Enter" on keyboard.

An alternative call to the settings page is possible through the menu, which opens by clicking on the icon ≡ in the upper right corner.

Click on it.

3. In the drop-down list, under " Personal data", find the button " Content Settings»:

Click on it, then in the pop-up window find the setting “ JavaScript»:

This is where you set the JavaScript processing value you need. Here, just below, you can manage exceptions (black and white list of sites).

How to enable/disable JavaScript in the Microsoft Edge browser?

Microsoft Edge is Microsoft's exclusive browser for operating systems Windows systems 10. In it, enabling JavaScript processing occurs as follows.

1.

After which you will see a command execution window. In it you enter:

Gpedit.msc

and press " OK" or the key " Enter" on keyboard.

And on the right side of the same window, find “ Allows you to run scripts such as JavaScript» and double-click on it with the left mouse button.

3. In the window that opens, set the value you need, then click the “ Apply", and then " OK».

note that editing this option is not available in all editions of Windows 10.

How to enable/disable JavaScript in Internet Explorer?

To enable JavaScript processing in Internet browser Explorer, do the following.

1. Click on the gear icon in the upper right corner. In the menu that opens, select “ Browser properties»:

2. In the window that appears, switch to the “ Safety", zone " Internet" and click on the button " Another…»:

3. In the new window, find the section “ Scenarios"and set required values for items " Active scenarios" And " Execute scripts Java applications »:

Then click " OK" in this window and " Apply" And " OK" in the previous one.

How to enable/disable JavaScript in Safari browser?

To enable JavaScript processing in Safari browser, do the following.

1. On your keyboard, press the following key combination at the same time:

after which you will see a window with settings. An alternative way to open the settings window is through the menu, which opens by clicking on the gear icon in the upper right corner.

2. In the window that appears, you switch to the “ Safety" and cancel the items " Enable Java" And " Enable JavaScript»:

Then close the settings window by clicking on the cross in the right corner.

JavaScript is one of the programming languages ​​that is commonly used for software access to application objects. It is often built into the browser and is necessary to make web pages more functional. Accordingly, if JavaScript is disabled for one reason or another, the page may not open at all or will open, but with significant limitations or errors. For example, certain text may not be shown. Therefore, if you do not know how to activate this language in your Internet browser, then you have come to the right place.

Mozilla Firefox

• IN top menu select the section “Tools” - “Settings”.

• A window has opened in front of you on the “Basic” tab. You must select the "Content" tab.

• At the top of the window you will see several items, one of which will be called “Use JavaScript” - check the box next to it and click OK.

• Refresh the page using the F5 key on your keyboard.

ATTENTION! This description is only suitable for versions below version 22. Starting from version 23, JavaScript is not required - the option is enabled by default.

Opera

• In the upper left corner, click on the button “Tools” - “Settings” - “ General settings».

• Once in the menu, go to the “Advanced” tab (it’s the fifth one).

• In the left menu, click on the “Content” link and next to “Use JavaScript” check the box.

• Click OK and refresh the page.

Google Chrome

• In the upper right corner there is a button on which you will see three bars - click on it and select the “Settings” section.

• Scroll down the page to the very bottom and click on “Show advanced settings”.

• In the “Personal Information” section, you will see a “Content Settings” button that you need to click on.

• Opened additional window. Find the option “Allow all sites to use JavaScript (recommended)” and click OK.

• Reload the page in your Internet browser.

Internet Explorer

• Open the browser properties (this can be done either in the browser itself through the menu or using the control panel of your computer).

• A window has opened, you need to go to the “Security” tab.

• At the bottom of it you need to click on the button labeled “Other...”.

• Opened big list. You need to go to the “Scripts” section and in the “Active Scripts” subsection, check the box next to the “Enable” item.

• Click OK and refresh the page.

Apple Safari

• In the menu we find the “Settings” section.

• Opened separate window with several tabs, among which you need to open the one called “Security”.

• Next to the “Enable JavaScript” item, check the box and close the window.

• We refresh the page by pressing the F5 key.

It should be noted that all versions of the most famous and popular browsers currently provide support for JavaScript. They support the third edition of the specification, and Mozilla Firefox even attempted to support the fourth edition. By default, JavaScript is used by default on almost all Internet browsers, and it is usually disabled by the user himself.

As for the use of the language, it is necessary, for example, in some web applications, scripts in browsers ( we're talking about about special programs that allow you to format pages, automatically fill out forms, hide part of the content, and so on), as well as in AJAX (an approach to building application interfaces in which data exchange with the server occurs in background, due to which the page is not completely reloaded, but the operation of the application itself only speeds up).

Script in Internet Explorer, in the menu bar, select “Tools” - “Internet Options”. In the window that opens, select the “Security” tab and click the “Other” button below the slider displaying “Security level for this zone.” In the new “Security Settings - Internet Zone” window, use the scroll bar to find the “Scripts” block.

In the “Active scripts” group, check the box next to “enable”. Just below, check the same box in the “Run Java application scripts” group. Click OK to confirm the changes, then click Apply in the Internet Properties window. When asked if you really want to apply the changes to this zone, answer yes and click OK again. Thus JavaScript in IE 8.0.

In the Opera browser, any JavaScript versions enabled through the menu “Tools” - “General Settings”. Select this item and in the window that opens, go to the “Advanced” tab. On the left side of this tab, select the “Content” section; to the right there will be a field with several checkboxes, including “enable JavaScript”. Check the box.

Even further to the right you will see a “Configure JavaScript” button. By clicking it, you will see a window with additional settings that regulate those actions that you consider necessary to allow for Java. Check the JavaScript settings checkboxes as you wish and click OK to confirm changes made.

IN latest versions This browser now offers an easier way to enable JavaScript. You can simply go to the menu "Tools" - " Quick Settings" and in the drop-down list, check the box next to the item "Enable JavaScript". If you want to add additional permissions for scripts, you will have to use the algorithm described in the previous steps.

The easiest way to enable JavaScript is in the Mozilla Firefox browser. As in Opera, click on the “Tools” main menu item, select the “Settings” line and in the window that opens, go to the “Content” tab. In the top block of checkboxes, check the box next to “Use JavaScript.” Using the “Advanced” button located next to it, set the permissions you need for JavaScript scripts by checking them in the corresponding checkboxes, and click OK twice to confirm.

Helpful advice

After making JavaScript settings, neither browser requires a restart: the changes take effect immediately.

Sources:

• how to enable javascript in internet explorer

JavaScript support is often disabled in browsers due to security reasons. Today, the vast majority of websites are built using the capabilities of java scripts. Find out how to enable support for JavaScript scripts in the most common browsers from these instructions.

Instructions

Start enabling support in browser Mozilla FireFox from the "Tools" section, which is located in the top menu. There, select “Settings”. Once the window opens, find the “Content” tab. Check the box next to “Use JavaScript.” A button called "Advanced" gives you more detailed settings execution various scripts.

Through the "Main Menu" in browser lies the shortest path to configuration, which includes support for JavaScript scripts. If you hover your mouse over the “Quick Settings” section, then among all the sub-items there will be a necessary item called “Enable JavaScript”. Click it to get desired result.

IN browser Mozilla FireFox has more a long way for customization, but it has its advantages, which opens up access to some additional JavaScript settings-scenarios. In the Settings section, select General Settings. You can simply press the Ctrl+F12 keys at the same time. The “Settings” window will open, in which go to the tab called “Advanced” and select “Content” in it, then check the box next to “Enable JavaScript”. A button for accessing advanced JavaScript settings is located next to it called “Customize JavaScript”.

To enable script support in browser In Internet Explorer, select the “Internet Options” section in its top menu in the “Tools” item. In the window that opens next, find the “Security” tab, where click the “Other” button. Another window called “Security Options” will appear. Scroll down the list of options until you reach the Scripts section. Check the box called “Enable” in the “Active Scripts” subsection.

Video on the topic

Instructions

Many add-ons on your computer may be installed by default. This may be the case if the add-on is part of another program that you installed earlier. And some are automatically installed together in Windows.

Users most frequently use Internet versions Explorer 7 and 8. To enable add-ons in Internet Explorer 7, you need to launch the browser; to do this, double-click the corresponding shortcut on the desktop. Or open the Start menu and select Internet Explorer from the general list. Click “Tools” in the top menu and select the item called “Manage add-ons in the drop-down list. Click on “Turn add-ons on or off.”

Click in the "Show" box in the button bar on the left side, click the arrow and select the option called "Add-ons used by Internet Explorer." This is done so that all add-ons are visible to you.

Select a group of add-ons or a single add-on that you need to enable. Plugin name, file date, version, digital signature will appear in the lower field. There you will also be asked to use the default search to search for the add-on.

At the bottom right in the bottom box, you will see a button that says “Enable.” Click on it to enable the add-on or right click Click on the desired add-in and select “Enable”. Next, confirm the operation by clicking “OK”.

In Internet Explorer 8, select “Tools” in the top menu, then “Add-ons”. On the left side of the button panel, under the heading “Display”, click on the arrow and select “All add-ons”.

Select the add-ons you want to activate. In the lower field, click on the “Enable” button or right-click on the “Enable” item. At the end of the procedure, click on the “Close” button.

Video on the topic

Java script is a special scripting language that adds functions to web pages, in particular, making them interactive. IN modern internet There are practically no sites that do not use it at all. In order to see colorful pages when surfing the web, with a full range of functions, you need to enable it in your browser support java script.

You will need

• - a computer with an Internet connection;
• - Internet browser installed on the computer.

Instructions

At using Windows Internet Explorer, open Tools by clicking on the gear icon in the upper right corner of the page. From the drop-down menu, select “Internet Options”, and in them - the “Security” tab. In the window that opens, select “Internet zone” for settings.

In the "Security level for this zone" frame, click "Other...". In the Scripting section, select the Active Scripts → Enable and Run Java Application Scripts → Enable checkboxes. Click on the OK button. For the changes to take effect, restart your browser.

In the Mozilla Firefox browser, go to Settings by clicking on the browser icon. In the drop-down menu, select “Settings”, and in them - the “Content” tab. Check the "Use Java Script" checkbox. Click "Advanced..." and in the window that opens, select the additional Java Script options you need. Click OK.

If you are using the Opera browser, click on "Menu" in the upper left corner of the page. From the drop-down menu, select Settings → Quick Settings. In the settings window that appears, check “Enable Javascript”. To make the settings changes take effect, press F5. For quick transition to settings Opera browser press F12. In the window that appears, check “Enable Javascript” and refresh the page.

In the Safari browser, press the key combination Ctrl+B to go to settings. Find the Security tab. Select the “Enable JavaScript” checkbox and close the settings window.

To turn on support JavaScript in Google browser Chrome, click on the settings icon (wrench) in the top right corner of the page. Or use the key combination Alt+F. You will be taken to the control window Chrome browser. Select Options → Advanced → Content Settings.

In the content settings window on the left, select Java Script and check the box next to “Allow all sites to use JavaScript.” Close the settings window. Reload your browser page.

JavaScript is a standard programming language that can be included in web pages to provide features such as menus, sounds, and more. interactive elements. By default, the Firefox browser allows you to use JavaScript scripts and install any additional elements not required.

However, JavaScript is also sometimes used for actions that some users may not like. Although the default settings for JavaScript scripts are set to ensure safe browsing, you may want to check whether the suggested settings are appropriate for you.

Enabling or disabling JavaScript scripts

The Firefox browser allows you to specify whether JavaScript contained in web pages is allowed to run or not. To enable JavaScript in the Firefox browser:

Advanced JavaScript Settings

Using a window Extra options JavaScript, you can set permissions for JavaScript scripts.

• Move or resize existing windows: Clear this check box to prevent JavaScript from changing the position or size of browser windows.
• Raise or lower windows: This setting allows web pages to move windows forward or backward relative to other visible windows.
• Disable or replace context menus: When you right-click on an element, it usually displays a menu called a context menu. This menu can be disabled using JavaScript scripts. To prevent the context menu from being disabled, clear this check box.
• Hide the status bar status bar) : The status bar is the bar at the bottom of each window Firefox browser, which shows the current state of your browser and indicates where hyperlinks point to. Using scripts JavaScript string the state may be hidden and then you will not be able to determine the link addresses. To prevent the status bar from being hidden, clear this check box.
• Change status bar text: Through JavaScript, web pages can put their own text in the status bar and in this case you will not be able to see the actual URLs of the links. To disable the ability to change the text in the status bar, clear this check box.

Data-driven

How to enable javascript in the browser - instructions for all versions

For a complete and optimal performance Web pages in the browser must have javascript enabled.

We will tell you what it is and how to enable it in this article.

Pivot table

What is javascript?

JavaScript can be called a multi-paradigm language. It has support for many programming methods. For example, object-oriented, functional and imperative.

This type of programming is not directly related to java. The main syntax of this programming language is the C language, as well as C++.

The basis of browser web pages is HTML code, with which programmers add various interactive elements to the pages.

If javascript is disabled in the browser, interactive elements will not work.

Appeared this type programming language thanks to working together companies Sun Microsystems and Netscape.

Initially, JavaScript was called LiveScript, but after Java language became popular among programmers, the development companies decided to rename it.

Netscape's marketing department believed that such a name would increase the popularity of the new programming language, which, in fact, happened.

Let us remind you that JavaScript is not directly related to Java. These are completely different languages.

JavaScript Features

This programming language has an unlimited number of possibilities due to its versatility.

The main aspects of application are mobile applications for smartphones, interactive web pages sites and services.

Most of the innovation was brought about by the AJAX company joining the project, which provided the features used in the language today.

To save traffic and increase ease of use, JavaScript provides the ability to change pages of sites and services in small parts, unnoticed by the user online.

This does not require turning off the site while editing or adding new information.

Changes happen immediately, without requiring a page refresh or reload.

The JavaScript feature may be disabled for various reasons.

Maybe, previous user I may have intentionally disabled it because it was not required for web browsing. The shutdown could also happen on its own.

Disabling javascript may prevent some links from opening. Below we will look at ways to enable this function in popular browsers.

Yandex browser

To enable JavaScript in Yandex Browser, you need to go to settings.

To do this, open the context menu in the upper right corner by clicking LMB on the icon "three horizontal stripes", then select the item "Settings".

After this you need to find the block "Personal data", in which we press the button "Content Settings".

In the “Javascript” section, check the box "Allow Javascript on all sites" and save the changes by clicking the “Finish” button.

After this, JavaScript is immediately activated and will allow you to view previously inaccessible web pages and perform manipulations on interactive services.

After activating the function, the browser itself does not require restarting; you just need to refresh the page by pressing the F5 key or the corresponding icon on the left of the address bar.

In the latest version of the browser, JavaScript activation is installed automatically, so there is no option to enable the function in the settings.

Internet Explorer

In the Internet Explorer browser, you also need to open the settings in order to activate the JavaScript function.

To go to required section, press the button indicated by the gear, and then select the item "Browser Options".

In the window that opens, select the “Security” tab, in which we click LMB on the item "Internet", then press the button "Another…".

To disable javascript, follow the following steps:

• Scripts.
• Active scenarios.
• Execute Java application scripts.
• Disable.

To activate the function in the sub-item "Run Java Application Scripts", you should check the box "Turn on".

To save the changes, click the “Ok” button, after which in the browser properties window you need to click the button "Apply" and restart Internet Explorer.

The next time you run the changes, the changes will take effect and the function will work properly, providing access to previously inaccessible pages, which required activation of JavaScript.

Google Chrome

Just like in all browsers, to activate JavaScript you need to go to settings.

In Google Chrome, you can open settings by clicking on function button in the upper right corner of the window.

It is indicated by three horizontal stripes.

IN context menu select an item "Settings".

After that, using the scroller (mouse wheel), go to the very end of the page and select the item "Show advanced settings".

When opened additional settings, the number of available items will increase significantly. Scroll down the page and find the item "Personal data", in which we select the button "Content Settings".

In chapter "Javascript", to activate or deactivate the function, select the appropriate item, and then click the “Finish” button.

Saved changes take effect immediately.

There is no need to restart the browser, you just need to refresh the page by pressing the F5 key or the corresponding icon on the left in the address bar.

After activating the JavaScript function, you will be able to view earlier inaccessible web pages, as well as committing various actions on interactive services.

Mozilla Firefox

WITH Mozilla browser In Firefox, things with JavaScript activation are a little different.

It all depends on the version of your browser.

Versions 23 and higher do not require manual activation javascript this function activated automatically and works completely properly.

To activate the JavaScript function in version 22 and lower, go to the toolbar and select the menu item "Settings".

To enable javascript, go to the section "Content", in which to activate the function you need to check the box "Use JavaScript".

To disable the function, you need to uncheck this box.

To save the changes, click the “OK” button and refresh the browser page.

You do not need to restart the browser for the changes to take effect. After activation, you will be able to fully view web pages and perform actions on interactive services.

Opera

The situation with the Opera browser is almost the same as with Mozilla Firefox.

The only difference is that the function is not automatically activated in either version.

Activating JavaScript in different versions happens in different ways.

Versions from 10.5 to 14

First of all, we need to open the browser settings.

In the upper left corner click the button "Menu", in the context menu we move the cursor over the item "Settings" and click on the sub-item "General settings…".

After this, a new window with browser settings will open.

You need to select a tab "Additionally".

In the left menu of the tab, click on the item "Content", after which we activate the function by checking two boxes "Enable JavaScript" And "Enable Java".

To deactivate, these checkboxes must be unchecked.

Activating and deactivating javascript in Opera versions from 10.5 to 14

After you have checked or unchecked the boxes, save the changes by clicking the “OK” button.

Now we restart the browser for the changes to take effect. All javascript functions will be available to you.

Versions from 15 and higher

In these versions of the Opera browser, activation of JavaScript is much simpler.

In order to open the settings window, you need to open browser press the hotkey combination Alt+P. In the menu that opens, open the tab "Sites".

To activate the function, you need to check the box "Allow JavaScript execution» , to deactivate – "Disable JavaScript".

After this, just click the “OK” button to save the changes and refresh the page you are viewing with the F5 key or by clicking the corresponding icon on the left of the address bar.

There is no need to restart the browser.

Safari

To enable the JavaScript function in Apple's proprietary browser, Safari, you need to go to settings.

To open them, you need to press the button "Safari" and select item "Settings».

In the window that opens, go to the “ Safety", where in the section "Web content" To activate the function you need to check the box "Enable JavaScript".

Accordingly, to deactivate JavaScript, this checkbox must be unchecked.

After that, save the changes by clicking the “OK” button and update open page in the browser.

There is no need to restart the browser; the changes take effect immediately after saving.

Microsoft Edge

You can activate javascript not only in the browser, but also in the operating system. To do this, you need to call the function window "Run" hotkey combination Win+R.

In the appropriate line you need to enter the command “gpedit.msc” (without quotes) and press the Enter button.

Command editor group policy computer systems

After that, on the right side of the screen go to the following folders: Administrative Templates → Windows components → Microsoft Edge.

Open the file in the last folder "Allows you to run scripts such as JavaScript".

In the window that opens, select the item "Turn on" or "Disable" to activate or deactivate the function, respectively.

After you have activated/deactivated the JavaScript function, save the changes by clicking the “Apply” button.

Conclusion

Today, almost all developers use javascript when creating websites.

Therefore for correct operation Sites often recommend enabling this feature in your browser.

Javascript is a universal programming language.

With its help, almost all modern websites and services are able to provide animation of GIF images, as well as clickable links and attachments.

JavaScript also allows you to correctly use flash games and applications, for example, VKontakte games.

But availability activated function not enough for this.

Must be installed on your computer system latest version programs Adobe Flash Player.

In other cases (for example, browser games), the presence of a flash player may not be necessary.

VIDEO: How to enable JavaScript - detailed instructions