'Select all' in Basic HTML View in Gmail

an easy way to select all mails in basic HTML view of Gmail

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         'Select all' in Basic HTML View in Gmail
// @namespace    http://vaxquis.tk
// @version      0.1
// @description  an easy way to select all mails in basic HTML view of Gmail
// @author       vaxquis
// @match        https://mail.google.com/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';
    const target = document.querySelector('form[name=f] table td');
    const button = document.createElement('BUTTON');
    const text = document.createTextNode('Select all');
    button.style.marginRight = '1rem';
    button.appendChild( text );
    button.onclick = () => {
        document.querySelectorAll('input[name=t]').forEach( t => { t.checked = true; } );
        return false;
    }
    target.insertBefore(button, target.children[0]);
})();