Change the white elements to green for protecting your eyes!
目前为
// ==UserScript==
// @name background-color
// @namespace http://tampermonkey.net/
// @version 0.7.0
// @description Change the white elements to green for protecting your eyes!
// @author developerdong
// @match http*://*/*
// @grant none
// ==/UserScript==
(function () {
'use strict';
function toHex(N) {
if (N == null) return "00";
N = parseInt(N);
if (N === 0 || isNaN(N)) return "00";
N = Math.max(0, N);
N = Math.min(N, 255);
N = Math.round(N);
// return "0123456789abcdef".charAt((N - N % 16) / 16) + "0123456789abcdef".charAt(N % 16); // Lower case
return "0123456789ABCDEF".charAt((N - N % 16) / 16) + "0123456789ABCDEF".charAt(N % 16); // Upper case
}
/**
* Transform RGB color to HEX color
* @return {string}
*/
function RGBtoHEX(str) {
if (str.substring(0, 3) === 'rgb') {
const arr = str.split(",");
const r = arr[0].replace('rgb(', '').trim(),
g = arr[1].trim(),
b = arr[2].replace(')', '').trim();
const hex = [toHex(r), toHex(g), toHex(b)];
return "#" + hex.join('');
} else {
return str;
}
}
/**
* Change the background color of all sub elements by level order
*/
function changeBackgroundColor(node) {
const queue = [];
while (node) {
// nodeType == 1 means the node is an element
if (node.nodeType === 1) {
const nodeStyle = window.getComputedStyle(node);
if (RGBtoHEX(nodeStyle.backgroundColor) === "#FFFFFF" && nodeStyle.cursor === "auto") {
node.style.setProperty("background-color", "#C1E6C6", "important");
}
Array.from(node.children).forEach(function (child) {
queue.push(child);
});
}
node = queue.shift();
}
}
// Change the background color of newly added elements
const observer = new MutationObserver(function (records){
records.map(function(record){
if (record.type === "childList") {
record.addedNodes.forEach(changeBackgroundColor);
}
});
});
const option = {
'childList': true,
'subtree': true
};
observer.observe(document.body, option);
// Change the background color of initially loaded elements
changeBackgroundColor(document.body);
})();