Twitter Image 1-Click Download Background Space

Make the background area of a Twitter-hosted image (like an address ending in .jpg) a clickable download-prompt to image itself. Think of it like 'left click empty space == save-as'.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

Bạn sẽ cần cài đặt một tiện ích mở rộng như Tampermonkey hoặc Violentmonkey để cài đặt kịch bản này.

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

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

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

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

(Tôi đã có Trình quản lý tập lệnh người dùng, hãy cài đặt nó!)

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.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Twitter Image 1-Click Download Background Space
// @version      0.4
// @description  Make the background area of a Twitter-hosted image (like an address ending in .jpg) a clickable download-prompt to image itself. Think of it like 'left click empty space == save-as'.
// @author       Cro
// @match        https://pbs.twimg.com/media/*
// @grant        none
// @namespace https://greasyfork.org/users/10865
// ==/UserScript==
(function () {
    'use strict';
    var img = document.getElementsByTagName('img')[0];
    var body = document.getElementsByTagName('body')[0];

    if (img && body)
    {
        var src = img.getAttribute('src');

        if (src)
        {
            var a = document.createElement('a');

            a.setAttribute('href', src);
            a.setAttribute('download', src.substr(src.lastIndexOf('/') + 1).replace(/:.*/, ''));
            a.style.setProperty('position', 'absolute');
            a.style.setProperty('height', '100%');
            a.style.setProperty('width', '100%');
            a.style.setProperty('z-index', '-1');

            body.appendChild(a);
            body.onclick = function (evt)
            {
                if (evt.target == body)
                {
                    a.click();
                }
            };
        }
    }
})();