19 questions
HTML (PHP) seems to have left the cache of the destination page, and even after updating the page, it behaves like it remains in the cache.The browser is Firefox.What should I do to prevent pages from...
Installing Webextension on Firefox Failsabout:debugging to load a temporary add-on and select manifest.json to display only There was an error during installation:Extension is invalidWhat should I do?...
If you create a table like the one below and display it in Chrome, you can see a column with rspan neatly, but with Firefox and Safari, this rowspan column will be crushed and visible.I thought the ve...
When I try to call a function on the background script using getBackgroundPage in Firefox's WebExtensions, I get the error Error: Permission denied to access property f1 In the example below, data is ...
I wrote the following code because I wanted to display the dialog on the spreadsheet in GAS.I tried running this on a spreadsheet, but it works with Google Chrome, but it doesn't work with Firefox.(Di...
I'd like to launch Firefox from cron in a CentOS 6.8 virtual desktop environment, but I'm not sure if it's successful, so please let me know.First of all, the cron itself is working well, and when I r...
How do I load UserScript on Android 7.1.1?I have a lot of opportunities to see bad strings online, so I would like to introduce userjs called WebAborn on Android, but it doesn't work.I installed the T...
<body> <canvas width=500px height=2000px>/canvas> <script> varcanvas= document.querySelector('canvas') varctx=canvas.getContext('2d') ctx.fillStyle=rgb(200,0,0) ctx.fillRect(0...
I would like to create an add-on for Firefox.I'm referring to the following site, but it doesn't work the same way, perhaps because it's been a while since the information.https://dev.mozilla.jp/addon...
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