Enable JavaScript in Google Chrome

Detailed steps with visuals to enable JavaScript in Google Chrome on desktop, Android, and ChromeOS.

Google Chrome

Google Chrome

Follow these steps to enable JavaScript in Google Chrome on your computer, Android phone, or tablet.

Laptop / Computer

  1. Open Chrome menu (⋮) and select Settings.
    Step 1 screenshot for Chrome (desktop)Screenshot1
  2. Go to Privacy and securitySite settingsJavaScript.
    Step 2 screenshot for Chrome (desktop)Screenshot2
  3. Select Sites can use JavaScript (Allow).
    Step 3 screenshot for Chrome (desktop)Screenshot3
  4. Reload the page.
    Step 4 screenshot for Chrome (desktop)Screenshot4

Mobile

  1. Open Chrome (Android) ⋮ menu → Settings.
    Step 1 screenshot for Chrome (mobile)Screenshot1
  2. Tap Site settingsJavaScript.
    Step 2 screenshot for Chrome (mobile)Screenshot2
  3. Toggle JavaScript to Allowed.
    Step 3 screenshot for Chrome (mobile)Screenshot3
  4. Reload the page.
    Step 4 screenshot for Chrome (mobile)Screenshot4

Tablet

  1. On tablets, open Chrome menu (⋮) → Settings.
    Step 1 screenshot for Chrome (tablet)Screenshot1
  2. Go to Site settingsJavaScript.
    Step 2 screenshot for Chrome (tablet)Screenshot2
  3. Ensure Sites can use JavaScript is enabled.
    Step 3 screenshot for Chrome (tablet)Screenshot3
  4. Reload the page.
    Step 4 screenshot for Chrome (tablet)Screenshot4
Per‑site permissions

You can allow JavaScript for specific sites by adding them to the 'Allowed to use JavaScript' list in Site settings.

Privacy & security

For better privacy, keep JavaScript enabled globally but use extensions like uBlock Origin to block scripts on untrusted sites.

Reload to apply

After changing settings, reload the page to apply JavaScript permissions.

Advanced & Developer options

Incognito mode

Permissions can differ in Incognito. Re‑check site settings in a normal window if something behaves differently.

JavaScript settings quick access

chrome://settings/content/javascript

Reset permissions for a site

  1. Open the site → click the lock icon → Site settings.
  2. Click Reset permissions and reload.

Reset Chrome settings

  1. Settings → Reset settings → Restore settings to their original defaults.
  2. This resets startup page, new tab page, search engine, and pinned tabs; disables extensions; clears temporary data.

Troubleshooting

JavaScript still not working?

  • Confirm JavaScript is allowed globally and not blocked for your specific site.
  • Clear cache & cookies for the site, then reload.
  • Disable extensions that might block scripts (ad‑blockers, script blockers).
  • Try a new Chrome profile or Guest mode to rule out profile issues.
  • Check system date/time; incorrect time can break certificates and scripts.

Pages look broken or images don't load?

  • Disable Data Saver/Lite mode options (if available) and any proxy/VPN affecting assets.
  • Reset site permissions, then reload with Ctrl/Cmd + Shift + R to bypass cache.

Frequently Asked Questions

Can I allow JavaScript for only one site?

Yes. Use Site settings → JavaScript → Customized behaviors → Add your site under Allowed.

Is enabling JavaScript safe?

JavaScript is a core web technology. Enable it for trusted sites. Keep Chrome updated and use permissions wisely.

Why does a page still say JavaScript is disabled after I enabled it?

Clear cache and cookies for the site, check per‑site blocks under Customized behaviors, and disable extensions like script blockers.

How do I reset site permissions in Chrome?

Open the site → click the lock icon → Site settings → Reset permissions, then reload the page.

Does Incognito mode affect JavaScript?

Global JavaScript settings apply, but extensions and some permissions behave differently in Incognito.

Where is the JavaScript setting on Android?

Chrome menu → Settings → Site settings → JavaScript.

How do I enable JavaScript on iPhone or iPad for Chrome?

On iOS/iPadOS, JavaScript is controlled by system WebKit settings: Settings → Safari → Advanced → JavaScript.

An extension says scripts are blocked. What should I do?

Disable ad‑blockers or script‑blocking extensions for the affected site, or toggle them off to test.

How do I check if JavaScript is working?

Reload and verify interactivity. Open DevTools Console (F12) for errors.

Read Also

External Resources

About Google Chrome

Discover Google Chrome browser, its features, and how it became the world's most popular browser.

Read on Wikipedia

About JavaScript

Discover the history, features, and importance of JavaScript programming language.

Read on Wikipedia