Hacker News
- When comments slow your JavaScript code (70% slower with long inner comments) http://jsperf.com/js-inline-cache 8 comments
- JS performance: try / catch versus checking for undefined http://jsperf.com/try-catch-error-perf/3 26 comments
- JQuery.fn.each vs. jQuery.fn.quickEach http://jsperf.com/jquery-each-vs-quickeach#run 11 comments
- jsPerf: Easily create and share JavaScript performance test cases / benchmarks http://jsperf.com/ 2 comments
- Working on a highly optimized alternative for Math.imul() – Please run this benchmark and reply with the results, including browser and OS info https://jsperf.com/math-imul-alternatives/5 7 comments javascript
- V8: Why is Object access with a Numeric-String a lot slower than a Textual-String https://jsperf.com/object-access-number-vs-string 5 comments javascript
- Switch statement vs "An Alternate Approach" https://jsperf.com/switch-vs-object-function 58 comments javascript
- Why is it faster to allocate a ton of locals every call than access existing globals? https://jsperf.com/lots-of-globals-vs-locals/1 16 comments javascript
- Loop Speed in Javascript https://jsperf.com/reduce-vs-loop-vs-pop 27 comments webdev
- Using symbols for accessing a hash/object is an order of magnitude faster than using strings http://jsperf.com/hash-access-with-symbols-vs-strings 3 comments javascript
- Does anyone have an idea why mag.js is this fast? https://jsperf.com/angular-vs-knockout-vs-ember/700 5 comments javascript
- The latest Ember.js renders an order of magnitude faster than before! http://jsperf.com/mithril-react-ember-knockout-angular/4 7 comments javascript
- Fastest array loops in Javascript https://jsperf.com/fastest-array-loops-in-javascript/354 23 comments coding
- Poll: Guard vs Ternary? http://jsperf.com/ternary-vs-guard-assignment 6 comments javascript
- Benchmark - why you shouldn't access the DOM directly http://jsperf.com/touchingdom 7 comments javascript
- Canvas offscreen rendering performance boost seems to be a myth. http://jsperf.com/canvas-double-buffering-performance/10 10 comments javascript
- Double bitwise NOT based mathematical ceiling (versus Math.ceil()) http://jsperf.com/doublebitwisenotceil 3 comments javascript
- Raw functional JS is orders of magnitude faster than fancy pants functional libraries (speed comparison of approaches) http://jsperf.com/functional-compare/5 9 comments javascript
- DOM manipulation vs JS CSS injecting http://jsperf.com/stylesheet-vs-dom-manipulation 11 comments javascript
- Homemade vs Native array functions http://jsperf.com/homemade-vs-native-array-functions 8 comments javascript
- Anyone else surprised by this? A simple while loop + string.replace(str, str) is 10x faster than string.replace(regex, str)! http://jsperf.com/q1/6 23 comments javascript
- This is a workaround for the issue of window.setTimeout, that it is being paused in iOS Safari during touch events · jsPerf http://jsperf.com/timeout-via-audio-context 4 comments javascript
- Hello everyone. Let's test new canvas blend-modes performance. Takes about 10 minutes http://jsperf.com/canvas-blend-modes-global-composite-operations 2 comments javascript
- Public vs Private variables http://jsperf.com/js-public-private 37 comments javascript
- Performance from a 338x338 array to a 339x339 array in Chrome, drops dramatically. Does anyone know why? http://jsperf.com/chrome-loops-test 26 comments javascript
- Interesting SpiderMonkey (FireFox) performance: wrapping a function in a superfluous function increases performance by 40%. http://jsperf.com/native-referencing 3 comments javascript
- Array.prototype.map() why so slow? http://jsperf.com/map/2 21 comments javascript
- Looping in modern browsers http://jsperf.com/looping-cwm 9 comments javascript
- Crazy fast Mustache implementation - Templayed.js http://jsperf.com/mustache-compliant-libraries/10 9 comments javascript
- jQuery vs. plain javascript - performance comparison http://jsperf.com/jquery-vs-plain-javascript 8 comments web_design
- I'm rewriting a script of mine. The speed improvements so far blew my mind. Running the test in your browser would be great too! http://jsperf.com/eventemitter-3-vs-4#results 9 comments javascript
- Math.floor vs Math.round vs parseInt vs Bitwise jsPerf http://jsperf.com/math-floor-vs-math-round-vs-parseint/5 31 comments javascript
- To store key:value data in an object or in a two dimensional array? http://jsperf.com/iterating-over-arrays-and-objects2 14 comments javascript
- A nice example of why in JS try/catch should not be abused http://jsperf.com/try-catch-error-perf/3 23 comments programming
- Differences in performance between different ways of writing if(a) and if(!a). Why?! http://jsperf.com/if-vs-short-circuiting 7 comments javascript
- What is the fastest means of string compare? http://jsperf.com/indexof-vs-regextest 10 comments javascript
- Prototype performance in browsers, should I care? http://jsperf.com/chrome-prototype-performance 6 comments javascript
- Best way to perform case statements in Javascript. I didn't know so I made a test: http://jsperf.com/if-else-vs-arrays-vs-switch-vs-ternary 23 comments javascript
- for in benchmarks http://jsperf.com/each-method-vs-for-in 3 comments javascript
- Why is Webkit SQLite be so much faster than localStorage and JSON.parse/JSON.stringify? http://jsperf.com/lawnchair-webkitsqlite-vs-domstorage/3 13 comments javascript
- Global namespace chain vs string based local modules (or: how to write faster javascript) http://jsperf.com/global-namespace-chain-vs-string-based-local-modules 3 comments javascript
Linking pages
- GitHub - rwaldron/idiomatic.js: Principles of Writing Consistent, Idiomatic JavaScript https://github.com/rwldrn/idiomatic.js 102 comments
- Why jQuery is Obsolete and Time to Stop Using It http://professionalaspnet.com/archive/2013/04/14/Why-Its-Time-to-Sunset-jQuery.aspx 76 comments
- How To Write Fast, Memory-Efficient JavaScript — Smashing Magazine http://coding.smashingmagazine.com/2012/11/05/writing-fast-memory-efficient-javascript/ 59 comments
- GitHub - aaditmshah/augment: The world's smallest and fastest classical JavaScript inheritance pattern. https://github.com/javascript/augment 58 comments
- [Performance] Lodash vs ES6 : map() | by Peter Chang | Medium https://medium.com/@peterchang_82818/es6-lodash-native-javascript-nodejs-example-tutorial-map-function-functional-programming-performance-speed-69645e613049 44 comments
- GitHub - dexteryy/spellbook-of-modern-webdev: A Big Picture, Thesaurus, and Taxonomy of Modern JavaScript Web Development https://github.com/dexteryy/spellbook-of-modern-webdev 32 comments
- How To Write Fast, Memory-Efficient JavaScript — Smashing Magazine http://www.smashingmagazine.com/2012/11/writing-fast-memory-efficient-javascript/ 29 comments
- Javascript Toolbox | Code Stuff. http://madole.github.io/blog/2014/07/16/javascript-toolbox/ 26 comments
- GitHub - stevemao/You-Dont-Know-Lodash-Underscore: In response to You-Dont-Need-Lodash-Underscore https://github.com/stevemao/You-Dont-Know-Lodash-Underscore 23 comments
- 11 Tips to Improve AngularJS Performance - Tech TLDR; https://www.alexkras.com/11-tips-to-improve-angularjs-performance/ 19 comments
- GitHub - rwaldron/idiomatic.js: Principles of Writing Consistent, Idiomatic JavaScript https://github.com/rwaldron/idiomatic.js 15 comments
- GitHub - DaRaFF/jsgamewiki: A collection of good links for gaming with javascript https://github.com/DaRaFF/jsgamewiki 14 comments
- GitHub - stevemao/You-Dont-Know-Lodash-Underscore: In response to You-Dont-Need-Lodash-Underscore https://github.com/stevemao/you-dont-know-about-lodash-underscore 14 comments
- A browser benchmark that has your back: RoboHornet - Paul Irish http://paulirish.com/2012/a-browser-benchmark-that-has-your-back-robohornet/ 10 comments
- Optimising Node.js for Speed: Part 2 | by Simon Werner | Medium https://medium.com/@psiphi75/optimising-node-js-for-speed-part-2-56e304bdc50f 9 comments
- JavaScript Performance: For vs ForEach | Symphonious http://www.symphonious.net/2010/10/09/javascript-performance-for-vs-foreach/ 7 comments
- JavaScript Debugging for Beginners | Julie Pagano http://juliepagano.com/blog/2014/05/18/javascript-debugging-for-beginners/ 6 comments
- Let’s Write Fast JavaScript. A few interesting JavaScript benchmarks… | by Mahdi Dibaiee | Medium https://medium.com/the-javascript-collection/lets-write-fast-javascript-2b03c5575d9e 5 comments
- GitHub - albertxing/stool: a JavaScript benchmarking utility https://github.com/albertxing/stool 2 comments
- How To Write Fast, Memory-Efficient JavaScript — Smashing Magazine http://www.smashingmagazine.com/2012/11/05/writing-fast-memory-efficient-javascript/ 2 comments