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LeetCode JavaScript Practice Playground Logo

JS Leetcode practice ground

Collection of leetcode test case scenarios for practice. These Unit test ready for you to use on leetcode problems (may include premium questions.) You run the javascript leetcode test in your IDE with debug mode without paying leetcode premium

How to use this repo

Clone this repo

run npm install

this repo contains practice problem playground you can run under

leetcode-playground/
└── /[problemsname].js

open the .js file, you can start exercise of solving problem.

Run test

  • every problem has respective test case you can run using `Vitest
  • It contains test scenarios ready to battle test your solution (You can contribute test case!)
  • Tests grouped under /tests folder.

debug mode

Tips for debugging

  • To assist your learning, debugging mode is useful to understand why your code does not work,
  • you can attach breakpoint, and run test in debug mode.
  • I personally use VScode extension "Jest/ Vitest runner by firsttris". When you open the file, simply click 'debug' to run specific test or describe block. it will run your test in debug mode.

Performance Profiling (optional)

  • run npm run test:perf to enable execution time and memory tracking for every test automatically

Solution list

  • Solution list are located in separate repository to prevent you from unwanted accidental peeking during practice,
  • repo link coming soon.

Contributing

Contributions are welcome! Please see CONTRIBUTING.md for details on how to add new problems or test cases.

Contributors

Contributors

you can also look at existing references of leetcode answers in js

https://github.com/JoshCrozier/leetcode-javascript/blob/master/solutions/0464-can-i-win.js

https://github.com/everthis/leetcode-js

https://github.com/sir-gon/algorithm-exercises-js

About

Run your leetcode test in your IDE, Debug with these collection of unit test

Resources

Readme
MIT license

Contributing

Contributing
Activity

Stars

3 stars

Watchers

0 watching

Forks

0 forks
Report repository

Releases

Packages

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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LeetCode JavaScript Practice Playground Logo
JS Leetcode practice ground
Collection of leetcode test case scenarios for practice.
These Unit test ready for you to use on leetcode problems (may include premium questions.)
You run the javascript leetcode test in your IDE with debug mode without paying leetcode premium
How to use this repo
Clone this repo
run npm install
this repo contains practice problem playground you can run under
leetcode-playground/
└── /[problemsname].js

open the .js file,
you can start exercise of solving problem.
Run test
  • every problem has respective test case you can run using `Vitest
  • It contains test scenarios ready to battle test your solution (You can contribute test case!)
  • Tests grouped under /tests folder.
debug mode
Tips for debugging
  • To assist your learning, debugging mode is useful to understand why your code does not work,
  • you can attach breakpoint, and run test in debug mode.
  • I personally use VScode extension "Jest/ Vitest runner by firsttris". When you open the file, simply click 'debug' to run specific test or describe block. it will run your test in debug mode.
Performance Profiling (optional)
  • run npm run test:perf to enable execution time and memory tracking for every test automatically
Solution list
  • Solution list are located in separate repository to prevent you from unwanted accidental peeking during practice,
  • repo link coming soon.
Contributing
Contributions are welcome! Please see CONTRIBUTING.md for details on how to add new problems or test cases.
Contributors
Contributors
you can also look at existing references of leetcode answers in js
https://github.com/JoshCrozier/leetcode-javascript/blob/master/solutions/0464-can-i-win.js
https://github.com/everthis/leetcode-js
https://github.com/sir-gon/algorithm-exercises-js
About
Run your leetcode test in your IDE, Debug with these collection of unit test
Resources
Readme
MIT license
Contributing
Contributing
Activity
Stars
3 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
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LeetCode JavaScript Practice Playground Logo
JS Leetcode practice ground
Collection of leetcode test case scenarios for practice.
These Unit test ready for you to use on leetcode problems (may include premium questions.)
You run the javascript leetcode test in your IDE with debug mode without paying leetcode premium
How to use this repo
Clone this repo
run npm install
this repo contains practice problem playground you can run under
leetcode-playground/
└── /[problemsname].js

open the .js file,
you can start exercise of solving problem.
Run test
  • every problem has respective test case you can run using `Vitest
  • It contains test scenarios ready to battle test your solution (You can contribute test case!)
  • Tests grouped under /tests folder.
debug mode
Tips for debugging
  • To assist your learning, debugging mode is useful to understand why your code does not work,
  • you can attach breakpoint, and run test in debug mode.
  • I personally use VScode extension "Jest/ Vitest runner by firsttris". When you open the file, simply click 'debug' to run specific test or describe block. it will run your test in debug mode.
Performance Profiling (optional)
  • run npm run test:perf to enable execution time and memory tracking for every test automatically
Solution list
  • Solution list are located in separate repository to prevent you from unwanted accidental peeking during practice,
  • repo link coming soon.
Contributing
Contributions are welcome! Please see CONTRIBUTING.md for details on how to add new problems or test cases.
Contributors
Contributors
you can also look at existing references of leetcode answers in js
https://github.com/JoshCrozier/leetcode-javascript/blob/master/solutions/0464-can-i-win.js
https://github.com/everthis/leetcode-js
https://github.com/sir-gon/algorithm-exercises-js
About
Run your leetcode test in your IDE, Debug with these collection of unit test
Resources
Readme
MIT license
Contributing
Contributing
Activity
Stars
3 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
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LeetCode JavaScript Practice Playground Logo
JS Leetcode practice ground
Collection of leetcode test case scenarios for practice.
These Unit test ready for you to use on leetcode problems (may include premium questions.)
You run the javascript leetcode test in your IDE with debug mode without paying leetcode premium
How to use this repo
Clone this repo
run npm install
this repo contains practice problem playground you can run under
leetcode-playground/
└── /[problemsname].js

open the .js file,
you can start exercise of solving problem.
Run test
  • every problem has respective test case you can run using `Vitest
  • It contains test scenarios ready to battle test your solution (You can contribute test case!)
  • Tests grouped under /tests folder.
debug mode
Tips for debugging
  • To assist your learning, debugging mode is useful to understand why your code does not work,
  • you can attach breakpoint, and run test in debug mode.
  • I personally use VScode extension "Jest/ Vitest runner by firsttris". When you open the file, simply click 'debug' to run specific test or describe block. it will run your test in debug mode.
Performance Profiling (optional)
  • run npm run test:perf to enable execution time and memory tracking for every test automatically
Solution list
  • Solution list are located in separate repository to prevent you from unwanted accidental peeking during practice,
  • repo link coming soon.
Contributing
Contributions are welcome! Please see CONTRIBUTING.md for details on how to add new problems or test cases.
Contributors
Contributors
you can also look at existing references of leetcode answers in js
https://github.com/JoshCrozier/leetcode-javascript/blob/master/solutions/0464-can-i-win.js
https://github.com/everthis/leetcode-js
https://github.com/sir-gon/algorithm-exercises-js
About
Run your leetcode test in your IDE, Debug with these collection of unit test
Resources
Readme
MIT license
Contributing
Contributing
Activity
Stars
3 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
BranchesTags
Repository files navigation
LeetCode JavaScript Practice Playground Logo
JS Leetcode practice ground
Collection of leetcode test case scenarios for practice.
These Unit test ready for you to use on leetcode problems (may include premium questions.)
You run the javascript leetcode test in your IDE with debug mode without paying leetcode premium
How to use this repo
Clone this repo
run npm install
this repo contains practice problem playground you can run under
leetcode-playground/
└── /[problemsname].js

open the .js file,
you can start exercise of solving problem.
Run test
  • every problem has respective test case you can run using `Vitest
  • It contains test scenarios ready to battle test your solution (You can contribute test case!)
  • Tests grouped under /tests folder.
debug mode
Tips for debugging
  • To assist your learning, debugging mode is useful to understand why your code does not work,
  • you can attach breakpoint, and run test in debug mode.
  • I personally use VScode extension "Jest/ Vitest runner by firsttris". When you open the file, simply click 'debug' to run specific test or describe block. it will run your test in debug mode.
Performance Profiling (optional)
  • run npm run test:perf to enable execution time and memory tracking for every test automatically
Solution list
  • Solution list are located in separate repository to prevent you from unwanted accidental peeking during practice,
  • repo link coming soon.
Contributing
Contributions are welcome! Please see CONTRIBUTING.md for details on how to add new problems or test cases.
Contributors
Contributors
you can also look at existing references of leetcode answers in js
https://github.com/JoshCrozier/leetcode-javascript/blob/master/solutions/0464-can-i-win.js
https://github.com/everthis/leetcode-js
https://github.com/sir-gon/algorithm-exercises-js
About
Run your leetcode test in your IDE, Debug with these collection of unit test
Resources
Readme
MIT license
Contributing
Contributing
Activity
Stars
3 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
LeetCode JavaScript Practice Playground Logo
JS Leetcode practice ground
Collection of leetcode test case scenarios for practice.
These Unit test ready for you to use on leetcode problems (may include premium questions.)
You run the javascript leetcode test in your IDE with debug mode without paying leetcode premium
How to use this repo
Clone this repo
run npm install
this repo contains practice problem playground you can run under
leetcode-playground/
└── /[problemsname].js

open the .js file,
you can start exercise of solving problem.
Run test
  • every problem has respective test case you can run using `Vitest
  • It contains test scenarios ready to battle test your solution (You can contribute test case!)
  • Tests grouped under /tests folder.
debug mode
Tips for debugging
  • To assist your learning, debugging mode is useful to understand why your code does not work,
  • you can attach breakpoint, and run test in debug mode.
  • I personally use VScode extension "Jest/ Vitest runner by firsttris". When you open the file, simply click 'debug' to run specific test or describe block. it will run your test in debug mode.
Performance Profiling (optional)
  • run npm run test:perf to enable execution time and memory tracking for every test automatically
Solution list
  • Solution list are located in separate repository to prevent you from unwanted accidental peeking during practice,
  • repo link coming soon.
Contributing
Contributions are welcome! Please see CONTRIBUTING.md for details on how to add new problems or test cases.
Contributors
Contributors
you can also look at existing references of leetcode answers in js
https://github.com/JoshCrozier/leetcode-javascript/blob/master/solutions/0464-can-i-win.js
https://github.com/everthis/leetcode-js
https://github.com/sir-gon/algorithm-exercises-js
About
Run your leetcode test in your IDE, Debug with these collection of unit test
Resources
Readme
MIT license
Contributing
Contributing
Activity
Stars
3 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
LeetCode JavaScript Practice Playground Logo
JS Leetcode practice ground
Collection of leetcode test case scenarios for practice.
These Unit test ready for you to use on leetcode problems (may include premium questions.)
You run the javascript leetcode test in your IDE with debug mode without paying leetcode premium
How to use this repo
Clone this repo
run npm install
this repo contains practice problem playground you can run under
leetcode-playground/
└── /[problemsname].js

open the .js file,
you can start exercise of solving problem.
Run test
  • every problem has respective test case you can run using `Vitest
  • It contains test scenarios ready to battle test your solution (You can contribute test case!)
  • Tests grouped under /tests folder.
debug mode
Tips for debugging
  • To assist your learning, debugging mode is useful to understand why your code does not work,
  • you can attach breakpoint, and run test in debug mode.
  • I personally use VScode extension "Jest/ Vitest runner by firsttris". When you open the file, simply click 'debug' to run specific test or describe block. it will run your test in debug mode.
Performance Profiling (optional)
  • run npm run test:perf to enable execution time and memory tracking for every test automatically
Solution list
  • Solution list are located in separate repository to prevent you from unwanted accidental peeking during practice,
  • repo link coming soon.
Contributing
Contributions are welcome! Please see CONTRIBUTING.md for details on how to add new problems or test cases.
Contributors
Contributors
you can also look at existing references of leetcode answers in js
https://github.com/JoshCrozier/leetcode-javascript/blob/master/solutions/0464-can-i-win.js
https://github.com/everthis/leetcode-js
https://github.com/sir-gon/algorithm-exercises-js
About
Run your leetcode test in your IDE, Debug with these collection of unit test
Resources
Readme
MIT license
Contributing
Contributing
Activity
Stars
3 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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LeetCode JavaScript Practice Playground Logo
JS Leetcode practice ground
Collection of leetcode test case scenarios for practice.
These Unit test ready for you to use on leetcode problems (may include premium questions.)
You run the javascript leetcode test in your IDE with debug mode without paying leetcode premium
How to use this repo
Clone this repo
run npm install
this repo contains practice problem playground you can run under
leetcode-playground/
└── /[problemsname].js

open the .js file,
you can start exercise of solving problem.
Run test
  • every problem has respective test case you can run using `Vitest
  • It contains test scenarios ready to battle test your solution (You can contribute test case!)
  • Tests grouped under /tests folder.
debug mode
Tips for debugging
  • To assist your learning, debugging mode is useful to understand why your code does not work,
  • you can attach breakpoint, and run test in debug mode.
  • I personally use VScode extension "Jest/ Vitest runner by firsttris". When you open the file, simply click 'debug' to run specific test or describe block. it will run your test in debug mode.
Performance Profiling (optional)
  • run npm run test:perf to enable execution time and memory tracking for every test automatically
Solution list
  • Solution list are located in separate repository to prevent you from unwanted accidental peeking during practice,
  • repo link coming soon.
Contributing
Contributions are welcome! Please see CONTRIBUTING.md for details on how to add new problems or test cases.
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you can also look at existing references of leetcode answers in js
https://github.com/JoshCrozier/leetcode-javascript/blob/master/solutions/0464-can-i-win.js
https://github.com/everthis/leetcode-js
https://github.com/sir-gon/algorithm-exercises-js
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Run your leetcode test in your IDE, Debug with these collection of unit test
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