How to check for JavaScript errors on your site
Checking for JavaScript errors on your site can alert you to any issue with a JavaScript optimization, and help you troubleshoot problems. You can check for these errors using a tool built in to your browser.
If the error you find is jQuery is not defined
, please see this guide to resolve it.
If you are contacting our support team due to a related error, please take a screenshot of the error details so that we may better assist you.
Chrome
- Right-click anywhere on the page. Choose Inspect.
- The developer panel will open. Click on the Console tab.
- Alternatively, at the top of the screen, go to View > Developer > JavaScript Console
- In the left panel, click on Errors
- If there are any, you will see them in red. You will also see a red indicator at the top right side of the panel:
Firefox
- Right-click anywhere on the page. Choose Inspect Element.
- The developer panel will open. Click on the Console tab.
- Alternatively, at the top of the screen, go to Tools > Web Developer > Web Console
- Make sure Errors is selected.
- If there are any, you will see them in red:
Safari
- Go to Safari > Preferences > Advanced and enable Show Develop menu in menu bar:
- Right-click anywhere on the page and choose Inspect Element
- The developer panel will open - click on the Console tab.
- Alternatively, at the top of the screen go to Develop > Show JavaScript Console
- Errors will be displayed at the bottom of the panel
Internet Explorer
- Right-click anywhere on the page. Choose Inspect Element.
- The developer panel will open in a new window. Click on the Console tab.
- Refresh the website page for the errors to be logged.
- Alternatively, at the top right corner of the screen, go to Tools > F12 Developer Tools.
- Make sure Errors is selected.
- If there are any, you will see them in red: