Javascript

I recently opened WhatsApp Web and counted: 52 conversations where someone was waiting on a reply from me, lost in hundreds of group chats and notifications. The native filter strip (All / Unread / Favorites / Groups) does not have a “to reply” view. Unread only catches genuinely unread messages, not the ones I opened … Read more

To launch a script in the background from the terminal, just use the command tmux Once inside, just run the script and then do cmd + b, d

When you create a javascript file, you may want to make sure you can use jQuery. To avoid having it twice and maybe introducing incompatibilities, just add this at the beginning of the javascript file: if (typeof jQuery ‘undefined’) var script – document.createElement (‘script’); script.src – ‘http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js’; script.type – ‘text/javascript’; document.getElementsByTagName (‘head’)[0].appendChild (script); }

For security reasons, you can’t directly reach the page outside the iframe from inside it. However, we can retrieve information from the browser. To retrieve the parent’s address, i.e. the URL of the page where the iframe is added, just write this: <script type=”text/javascript”> var url (window.location!) – window.parent.location)? document.referrer: document.location; alert (url); </script> This … Read more

To focus the first field on your page, just use: $(“input:text:visible:first”).focus();