Github open link

增加在线预览代码按钮

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

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

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.

(У мене вже є менеджер скриптів, дайте мені встановити його!)

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         Github open link
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  增加在线预览代码按钮
// @author       You
// @match        https://github.com/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=github.com
// @grant        none
// @license      MIT
// ==/UserScript==

(function() {
    'use strict';
const ul = document.querySelector('.pagehead-actions')

const button = document.createElement('li')
const a = document.createElement('A')
a.setAttribute('href', document.location.href.replace('github.com', 'github.dev'))
a.setAttribute('target', '_blank')
a.setAttribute('class', 'btn btn-sm')
a.innerText = 'OpenDev'
button.appendChild(a)

ul.prepend(button)
    // Your code here...
})();