Ever wanted to peek behind the scenes of any webpage instantly? With Source Code Viewer, you get a sleek, draggable menu that lets you
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// ==UserScript==
// @name Source code viewer
// @namespace http://tampermonkey.net/
// @version 1.0.0
// @description Ever wanted to peek behind the scenes of any webpage instantly? With Source Code Viewer, you get a sleek, draggable menu that lets you
// @author Canadian100 & 1234idc
// @match *://*/*
// @grant none
// ==/UserScript==
(function() {
'use strict';
const style = document.createElement('style');
style.textContent = `
#customMenu {
position: fixed;
top: 50px;
left: 50px;
width: 480px;
background: #121212;
border: 2px solid #0af;
border-radius: 6px;
font-family: Arial, sans-serif;
color: #ddd;
z-index: 999999;
user-select: none;
display: flex;
flex-direction: column;
box-shadow: 0 0 10px #0af88f88;
}
#customMenu .topbar {
cursor: grab;
background: linear-gradient(90deg, #0af, #05c);
padding: 8px 12px;
user-select: none;
display: flex;
justify-content: space-between;
align-items: center;
font-weight: bold;
font-size: 18px;
}
#customMenu .topbar:active {
cursor: grabbing;
}
#customMenu .closeBtn {
cursor: pointer;
color: #eee;
font-size: 20px;
line-height: 20px;
user-select: none;
}
#customMenu .tabsBar {
display: flex;
background: #0a0a0a;
border-bottom: 1px solid #0af;
}
#customMenu .tabBtn {
flex: 1;
padding: 10px 0;
text-align: center;
cursor: pointer;
border-right: 1px solid #0af;
transition: background 0.3s;
}
#customMenu .tabBtn:last-child {
border-right: none;
}
#customMenu .tabBtn.active {
background: #0af;
color: black;
font-weight: bold;
}
#customMenu .content {
padding: 12px;
height: 270px;
overflow-y: auto;
font-size: 14px;
line-height: 1.4em;
background: #1a1a1a;
border-radius: 0 0 6px 6px;
}
#customMenu a {
color: #0af;
text-decoration: none;
}
#customMenu a:hover {
text-decoration: underline;
}
#answerBox {
position: fixed;
top: 20px;
right: 20px;
width: 480px;
max-height: 400px;
overflow-y: auto;
background: linear-gradient(135deg, #001f3f, #000000);
border: 2px solid #0af;
border-radius: 6px;
padding: 12px;
font-family: Consolas, monospace;
font-size: 13px;
color: #0af;
z-index: 1000000;
user-select: text;
box-shadow: 0 0 15px #0af88fdd;
cursor: grab;
}
#answerBox:active {
cursor: grabbing;
}
#answerBox code {
white-space: pre-wrap;
word-break: break-word;
display: block;
}
#ratOptions label {
display: flex;
align-items: center;
margin-bottom: 8px;
cursor: pointer;
}
#ratOptions label input[type=checkbox] {
margin-right: 8px;
cursor: pointer;
}
#ratOptions .optionLine {
margin-left: 18px;
font-size: 13px;
color: #0af;
font-style: italic;
}
#ratOptions #tmSearchContainer {
margin-top: 10px;
margin-left: 18px;
}
#ratOptions #tmSearchInput {
width: 90%;
padding: 5px 8px;
font-size: 14px;
border-radius: 4px;
border: 1px solid #0af;
background: #121212;
color: #0af;
outline: none;
}
#tmScriptsList {
margin-top: 6px;
max-height: 120px;
overflow-y: auto;
border: 1px solid #0af;
border-radius: 4px;
background: #222;
color: #0af;
font-size: 13px;
padding: 6px;
user-select: text;
}
#tmScriptsList div {
margin-bottom: 4px;
cursor: pointer;
text-decoration: underline;
}
#tmScriptsList div:hover {
color: #0ff;
}
#ratSliderContainer {
margin-top: 15px;
display: flex;
align-items: center;
gap: 8px;
}
#ratSliderContainer label {
font-size: 13px;
font-style: italic;
color: #0af;
flex-shrink: 0;
min-width: 180px;
}
#ratSlider {
flex-grow: 1;
cursor: pointer;
}
#refreshBtn {
margin-top: 10px;
padding: 6px 12px;
background: #0af;
border: none;
border-radius: 5px;
color: black;
font-weight: bold;
cursor: pointer;
user-select: none;
}
#refreshBtn:hover {
background: #05c;
color: white;
}
`;
document.head.appendChild(style);
const menu = document.createElement('div');
menu.id = 'customMenu';
const topbar = document.createElement('div');
topbar.className = 'topbar';
const closeBtn = document.createElement('div');
closeBtn.className = 'closeBtn';
closeBtn.textContent = '×';
topbar.appendChild(closeBtn);
menu.appendChild(topbar);
const tabsBar = document.createElement('div');
tabsBar.className = 'tabsBar';
const tabs = [
{ id: 'rat', label: 'RAT' },
{ id: 'help', label: 'Help' },
{ id: 'credits',label: 'Credits'}
];
tabs.forEach(tab => {
const btn = document.createElement('div');
btn.className = 'tabBtn';
btn.dataset.tab = tab.id;
btn.textContent = tab.label;
tabsBar.appendChild(btn);
});
menu.appendChild(tabsBar);
const content = document.createElement('div');
content.className = 'content';
menu.appendChild(content);
document.body.appendChild(menu);
const answerBox = document.createElement('div');
answerBox.id = 'answerBox';
answerBox.style.display = 'none';
document.body.appendChild(answerBox);
function makeDraggable(element, handle) {
handle = handle || element;
let pos = { x:0, y:0, left:0, top:0 };
function dragMouseDown(e) {
e.preventDefault();
pos.x = e.clientX; pos.y = e.clientY;
pos.left = parseInt(window.getComputedStyle(element).left,10);
pos.top = parseInt(window.getComputedStyle(element).top,10);
document.addEventListener('mousemove', elementDrag);
document.addEventListener('mouseup', closeDrag);
}
function elementDrag(e) {
e.preventDefault();
element.style.left = (pos.left + e.clientX - pos.x) + "px";
element.style.top = (pos.top + e.clientY - pos.y) + "px";
}
function closeDrag() {
document.removeEventListener('mousemove', elementDrag);
document.removeEventListener('mouseup', closeDrag);
}
handle.addEventListener('mousedown', dragMouseDown);
}
makeDraggable(menu, topbar);
makeDraggable(answerBox);
let activeTab = 'credits';
function setActiveTab(id) {
activeTab = id;
Array.from(tabsBar.children).forEach(btn => {
btn.classList.toggle('active', btn.dataset.tab === id);
});
content.innerHTML = '';
answerBox.style.display = 'none';
if (id === 'credits') {
content.innerHTML = `
<div style="line-height:1.6;">
<strong>Canadian100</strong> - Owner and Dev<br><br>
Greasy Fork: <a href="https://greasyfork.runtimutd.eu.org/en/users/994209-canadian100" target="_blank" rel="noopener noreferrer">Greasy Fork profile for Canadian100</a><br>
Github: <a href="https://github.com/canadian100" target="_blank" rel="noopener noreferrer">canadian100 - Overview</a><br><br>
2 repositories available. Follow their code on GitHub.<br><br>
Discord: <a href="https://discord.gg/z45cz2UmVC" target="_blank" rel="noopener noreferrer">Join our Discord</a>
</div>`;
} else if (id === 'help') {
content.innerHTML = `
<p>Welcome! 🌟</p>
<p>→ Press <strong>Right Shift</strong> to toggle menu.</p>
<p>→ Drag by the top bar.</p>
<p>All features are tested and working. Enjoy! 🚀</p>`;
} else if (id === 'rat') {
buildRATTab();
}
}
Array.from(tabsBar.children).forEach(btn => {
btn.addEventListener('click', () => setActiveTab(btn.dataset.tab));
});
let cbSourceInput, cbTMInput, cbFnInput, slider, tmSearchInput, tmScriptsList, refreshBtn;
function buildRATTab() {
content.innerHTML = `
<div id="ratOptions">
<label><input type="checkbox" id="cbSource"> Source code</label>
<div class="optionLine">first is - Source code</div>
<label><input type="checkbox" id="cbTM"> Tampermonkey scripts</label>
<div class="optionLine">second is - Tampermonkey scripts</div>
<label><input type="checkbox" id="cbFn"> All the code behind the functions</label>
<div class="optionLine">third is - Functions code</div>
<div id="tmSearchContainer" style="display:none;">
<input type="text" id="tmSearchInput" placeholder="Search GreasyFork scripts..." autocomplete="off" />
<div id="tmScriptsList"></div>
</div>
<div id="ratSliderContainer">
<label for="ratSlider">Amount of info and answering speed</label>
<input type="range" id="ratSlider" min="1" max="10" value="5" />
</div>
<button id="refreshBtn">Refresh</button>
</div>`;
cbSourceInput = document.getElementById('cbSource');
cbTMInput = document.getElementById('cbTM');
cbFnInput = document.getElementById('cbFn');
slider = document.getElementById('ratSlider');
tmSearchInput = document.getElementById('tmSearchInput');
tmScriptsList = document.getElementById('tmScriptsList');
refreshBtn = document.getElementById('refreshBtn');
cbTMInput.addEventListener('change', () => {
tmSearchInput.parentElement.style.display = cbTMInput.checked ? 'block' : 'none';
if (!cbTMInput.checked) tmScriptsList.innerHTML = '';
});
tmSearchInput.addEventListener('input', () => {
const term = tmSearchInput.value.trim();
if (!term) {
tmScriptsList.innerHTML = '';
return;
}
fetch(`https://greasyfork.runtimutd.eu.org/en/scripts.json?search=${encodeURIComponent(term)}`)
.then(r => r.json())
.then(data => {
tmScriptsList.innerHTML = '';
if (data.length === 0) {
tmScriptsList.textContent = 'No scripts found';
} else {
data.forEach(item => {
const div = document.createElement('div');
const a = document.createElement('a');
a.href = `https://greasyfork.runtimutd.eu.org${item.url}`;
a.target = '_blank';
a.rel = 'noopener noreferrer';
a.textContent = item.name;
div.appendChild(a);
tmScriptsList.appendChild(div);
});
}
});
});
cbSourceInput.addEventListener('change', updateAnswer);
cbFnInput.addEventListener('change', updateAnswer);
slider.addEventListener('input', updateAnswer);
refreshBtn.addEventListener('click', updateAnswer);
updateAnswer();
}
function generateAnswerContent(amount) {
let output = '';
if (!cbSourceInput.checked && !cbTMInput.checked && !cbFnInput.checked) {
answerBox.style.display = 'none';
return '';
}
if (cbSourceInput.checked) {
let html = document.documentElement.outerHTML;
if (amount < 10) {
const len = Math.floor(html.length * amount / 10);
html = html.slice(0, len) + (len < html.length ? '\n...[truncated]...' : '');
}
output += `<strong>-- Source code of page --</strong>\n<code>${escapeHtml(html)}</code>\n\n`;
}
if (cbTMInput.checked) {
output += `<strong>-- Use the search box above to find GreasyFork scripts online --</strong>\n\n`;
}
if (cbFnInput.checked) {
const funcs = [];
for (const k in window) {
if (typeof window[k] === 'function') funcs.push({ name: k, fn: window[k] });
}
if (funcs.length === 0) {
output += `<strong>-- No global functions found --</strong>\n`;
} else {
output += `<strong>-- Functions code (up to ${amount*100} chars each) --</strong>\n`;
funcs.forEach(f => {
let s = f.fn.toString();
if (s.length > amount*100) s = s.slice(0, amount*100) + '...';
output += `<div><strong>${escapeHtml(f.name)}()</strong>\n<code>${escapeHtml(s)}</code></div>\n\n`;
});
}
}
return output || 'No output for selected options.';
}
function updateAnswer() {
if (activeTab !== 'rat') return;
const html = generateAnswerContent(parseInt(slider.value,10));
if (!html) {
answerBox.style.display = 'none';
return;
}
answerBox.innerHTML = html;
answerBox.style.display = 'block';
}
function escapeHtml(t) {
return (t||'')
.replace(/&/g,'&')
.replace(/</g,'<')
.replace(/>/g,'>')
.replace(/"/g,'"')
.replace(/'/g,''');
}
document.addEventListener('keydown', e => {
if (e.code === 'ShiftRight') {
const d = menu.style.display;
menu.style.display = d === 'none' || !d ? 'flex' : 'none';
if (menu.style.display === 'none') answerBox.style.display = 'none';
}
});
closeBtn.addEventListener('click', () => {
menu.style.display = 'none';
answerBox.style.display = 'none';
});
answerBox.addEventListener('click', e => {
if (e.target.tagName === 'A') {
e.target.target = '_blank';
e.target.rel = 'noopener noreferrer';
}
});
setActiveTab('credits');
})();