Add Random Problem Button

Adds a button to choose a problem at random.

Version vom 24.06.2021. Aktuellste Version

Du musst eine Erweiterung wie Tampermonkey, Greasemonkey oder Violentmonkey installieren, um dieses Skript zu installieren.

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 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.

Sie müssten eine Skript Manager Erweiterung installieren damit sie dieses Skript installieren können

(Ich habe schon ein Skript Manager, Lass mich es installieren!)

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        Add Random Problem Button
// @namespace   Violentmonkey Scripts
// @match       https://seanprashad.com/leetcode-patterns/
// @grant       none
// @version     1.0
// @author      Mauville@Github
// @description Adds a button to choose a problem at random.
// ==/UserScript==
let randomProblem = () =>{
  let problems = document.querySelectorAll("tbody tr :nth-Child(2) a")
  let randomProb = problems[Math.floor(Math.random()*problems.length)];
  window.open(randomProb.getAttribute("href"), '_blank');
  
}

let navbar = document.querySelector(".nav, .navtabs")
let buttchild = document.createElement("li")
buttchild.innerHTML = '<button class="btn btn-primary">Random from Selection</button>'
buttchild.onclick = randomProblem;
navbar.appendChild(buttchild)