// ==UserScript==
// @name         Rainbow colors for websites
// @version      2
// @description  Changes the background color of the specified websites to rainbow colors
// @match        https://hac20.esp.k12.ar.us/*
// @match        https://classroom.google.com/*
// @match        https://docs.google.com/*
// @run-at       document-end
// @license      MIT
// @namespace https://greasyfork.org/users/1033545
// ==/UserScript==
const colors = [
'linear-gradient(to right, red, orange, yellow, green, blue, indigo, violet)',
'radial-gradient(circle, blue, green, yellow, red)',
'#FFDAB9',
'#FA8072',
'#F0E68C',
'#7FFFD4'
];
let index = 0;
let speed = 1000;
let isEnabled = true;
let styleIndex = 0;
const styleNames = [
'linear gradient',
'radial gradient',
'solid color'
];
function changeBackground() {
if (!isEnabled) return;
document.body.style.background = colors[index];
index = (index + 1) % colors.length;
}
function toggleEnabled() {
isEnabled = !isEnabled;
document.getElementById('rainbow-toggle').textContent = isEnabled ? 'Disable' : 'Enable';
}
function setSpeed() {
const newSpeed = parseInt(prompt('Enter a new color change interval (in milliseconds):'));
if (!isNaN(newSpeed)) speed = newSpeed;
}
function cycleStyle() {
styleIndex = (styleIndex + 1) % styleNames.length;
switch (styleIndex) {
case 0:
colors[0] = 'linear-gradient(to right, red, orange, yellow, green, blue, indigo, violet)';
colors[1] = 'linear-gradient(to left, red, orange, yellow, green, blue, indigo, violet)';
break;
case 1:
colors[0] = 'radial-gradient(circle, blue, green, yellow, red)';
colors[1] = 'radial-gradient(circle, yellow, green, blue, red)';
break;
case 2:
colors[0] = '#FFDAB9';
colors[1] = '#FA8072';
colors[2] = '#F0E68C';
colors[3] = '#7FFFD4';
colors[4] = '#FFA07A';
break;
}
styleButton.textContent = `Switch to ${styleNames[styleIndex]}`;
}
const buttonContainer = document.createElement('div');
buttonContainer.style.position = 'fixed';
buttonContainer.style.bottom = '10px';
buttonContainer.style.right = '10px';
buttonContainer.style.zIndex = '9999';
buttonContainer.style.display = 'flex';
const toggleButton = document.createElement('button');
toggleButton.id = 'rainbow-toggle';
toggleButton.textContent = 'Disable';
toggleButton.addEventListener('click', toggleEnabled);
buttonContainer.appendChild(toggleButton);
const speedButton = document.createElement('button');
speedButton.textContent = 'Change Speed';
speedButton.addEventListener('click', setSpeed);
buttonContainer.appendChild(speedButton);
const styleButton = document.createElement('button');
styleButton.textContent = `Switch to ${styleNames[styleIndex]}`;
styleButton.addEventListener('click', cycleStyle);
buttonContainer.appendChild(styleButton);
document.body.appendChild(buttonContainer);
setInterval(changeBackground, speed);