Using Chrome's Element Inspector in Print Prev

2019-01-01 11:48发布

I am working on developing a website and need to work on the print view. Typically when I have layout issues I use Chrome's Element Inspector. However this does not exist in print preview mode.

Is there a Chrome plugin or some other way to change your viewing medium within chrome itself, to view a page as a printer would? I suppose it doesn't have a be a Chrome specific solution, but that is my primary browser so it would be nice to have an in-browser solution.

Right now I'm focused just on the print preview medium, but it would be ideal to be able to change to any of the supported media types (i.e. all/braille/embossed/handheld/print/projection/screen/speech/tty/tv).

10条回答
无色无味的生活
2楼-- · 2019-01-01 12:09

As of Chrome 48 (and perhaps a few versions earlier), the function seems to have moved yet again:

The first few steps are unchanged:

  1. Press F12 to bring up the developer tools

  2. Press ESC to open the console

According to the previous answers, the setting could then be found under the "Emulation" tab. As shown in the images below, it has now been moved to the "Rendering" tab, which can be brought up by clicking on the three dots to the left of the "Console" tab.

Tab selection

Setting selection

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呛了眼睛熬了心
3楼-- · 2019-01-01 12:10

Note: This answer covers several versions of Chrome, scroll to see v52, v48, v46, v43 and v42 each with their updated changes.

Chrome v52+:

  • Open the Developer Tools (Windows: F12 or Ctrl+Shift+I, Mac: Cmd+Opt+I)
  • Click the Customize and control DevTools hamburger menu button and choose More tools > Rendering settings (or Rendering in newer versions).
  • Check the Emulate print media checkbox at the Rendering tab and select the Print media type.

Chrome v52+

Chrome v48+ (Thanks Alex for noticing):

  • Open the Developer Tools (CTRLSHIFTI or F12)
  • Click the Toggle device mode button in the left top corner (CTRLSHIFTM).
  • Make sure the console is shown by clicking Show console in menu at (1) (ESC key toggles the console if Developer Toolbar has focus).
  • Check Emulate print media at the rendering tab which can be opened by selecting Rendering in menu at (2).

Chrome v48+

Chrome v46+:

  • Open the Developer Tools (CTRLSHIFTI or F12)
  • Click the Toggle device mode button in the left top corner (1).
  • Make sure the console is shown by clicking the menu button (2) > Show console (3) or pressing the ESC key to toggle the console (only works when Developer Toolbar has the focus).
  • Open the Emulation (4) > Media (5) tabs, check CSS media and select print (3).

Chrome v46+ support

Chrome v43+:

  • The drawer icon at step 2 has changed.

Emulate print media query on Chrome v43

Chrome v42:

  • Open the Developer Tools (CTRLSHIFTI or F12)
  • Click the Toggle device mode button in the left top corner (1).
  • Make sure the drawer is shown by clicking the Show drawer button (2) or pressing the ESC key to toggle the drawer.
  • Under Emulation > Media check CSS media and select print (3).

Emulate print media query on Chrome v42

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公子世无双
4楼-- · 2019-01-01 12:11

Chrome v67 (mac):

  1. Hold down Cmd+opt+j to open dev tools
  2. click the ... on the righthand side, and choose: More Tools >> Rendering
  3. When the Rendering window shows up at the bottom of the screen, Emulate CSS Media section and choose: "Screen" from the dropdown.
  4. Go to "File >> Print" and you should see the view you want printing.

Images of the above description for Chrome v67 on a mac:

Where to find the Rendering tab: Click the ... on the righthand side, and choose: More Tools >> Rendering

screenshot 1

How to get the "screen" view to print: When the Rendering window shows up at the bottom of the screen, Emulate CSS Media section and choose: "Screen" from the dropdown.

screenshot 2

Hope it helps.

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旧人旧事旧时光
5楼-- · 2019-01-01 12:15

Since Chrome 32 you have the CSS media option in the Screen section of the drawer Emulation tab.

Just enable it, select print as the target media type, and - behold - your page is rendered [almost] the way it will be printed.

Use Esc to bring up the drawer if it's not visible.

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查无此人
6楼-- · 2019-01-01 12:19

If you are debugging your CSS using Print As PDF in Google Chrome and your CSS element background colors are not showing, then make sure the 'Background graphics' checkbox is ticked. I spent almost 30 minutes debugging my CSS and wondering what is causing my CSS background being ignored.

Google Chrome Print background color ignored

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不再属于我。
7楼-- · 2019-01-01 12:20

Under Chrome v51 on a Mac, I found the rendering settings by clicking in the upper right corner, choosing More tools > Rendering settings and checking the Emulate media button in the options offered at the bottom of the window.

Chrome v51 Mac Emulate media selector appears in the bottom

Thank you to all the other posters that led me to this, and credit to those that provided the answer without the images.

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