You may not have used these front-end debugging techniques, but they are super practical!

Unauthorized reproduction is prohibited. Please indicate the source when reprinting!

Hello everyone, I am CUGGZ.

Today I’m here to share some less commonly used but very practical front-end debugging techniques, hoping to be helpful to you!

• Check pop-up window while hovering
• Use log breakpoints
• Analog foldable device
• Autocomplete style
• Switch color formats
• Capture high resolution screenshots
• Check event stream
• View and copy style changes
• Real-time expression
• Debug horizontal scroll bar

Check pop-up window while hovering

Have you ever struggled to check for pop-up elements (such as tooltips, drop-down menus, etc.) that only appear when hovering? These elements disappear once the page loses focus, making it extremely difficult to check. The “Emulate a focused page” feature provided by Chromium browsers is designed to solve this problem and ensure that the page remains focused when using DevTools.

To enable this feature in DevTools, there are two methods:

1. Select the item that triggers the pop-up element in the “Elements” panel. Then open the “Styles” panel and…