A script to hide Leetcode question difficultly
// ==UserScript==
// @name Leetcode invisible
// @version 0.2
// @description A script to hide Leetcode question difficultly
// @author osjobs.nett
// @match https://leetcode.com/*
// @match https://leetcode-cn.com/*
// @exclude https://leetcode-cn.com/problems/*/solution/
// @exclude https://leetcode.com/problems/*/discuss/*
// @grant none
// @namespace https://greasyfork.org/users/555531
// ==/UserScript==
// Since Leetcode use Ajax to load content,
// we have to check the label in first few seconds
if (window.location.href.indexOf("problemset") > -1) {
var problemsetTimer = setInterval(problemsetFunction, 2000);
} else if (window.location.href.indexOf("problems") > -1) {
var updateTime = 0;
var problemTimer = setInterval(problemFunction, 100);
}
function problemsetFunction() {
// Problems list page
if(document.querySelector("span.label-warning")|| document.querySelector("span.label-success") || document.querySelector("span.label-danger") ) {
var elementE = document.querySelectorAll("span.label-success");
var elementM = document.querySelectorAll("span.label-warning");
var elementH = document.querySelectorAll("span.label-danger");
update(elementE, "label-success");
update(elementM, "label-warning");
update(elementH, "label-danger");
};
if(document.querySelector("span.level-easy")|| document.querySelector("span.level-medium") || document.querySelector("span.level-hard") ) {
var elementCE = document.querySelectorAll("span.level-easy");
var elementCM = document.querySelectorAll("span.level-medium");
var elementCH = document.querySelectorAll("span.level-hard");
update(elementCE, "level-easy");
update(elementCM, "level-medium");
update(elementCH, "level-hard");
}
}
function problemFunction () {
if (updateTime > 0) {
clearInterval(problemTimer);
}
if(document.querySelector("div.css-1e1vffy-Tools")) {
document.getElementsByClassName("css-1e1vffy-Tools")[0].style.display = "none";
updateTime += 1;
}
if(document.querySelector("div.difficulty__ES5S")) {
var similar_element = document.getElementsByClassName("difficulty__ES5S");
for (var i=0; i<similar_element.length; i++) {
similar_element[i].textContent = "Unknown";
}
}
}
function update(element, classname) {
for (var i=0; i < element.length; i++) {
element[i].classList.remove(classname);
element[i].textContent = "Unknown";
}
}