paul.irish

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3 years ago

perf&compression

perf&compression

jQuery Anti-Patterns for Performance & Compression Paul Irish NC JavaScript Camp ’10

Page 2 and 3: Me. • • Interaction Designer at
Page 4 and 5: wassup shawty? how u doin’ Tasksp
Page 6 and 7: Keep things DRY If you’re repeati
Page 8 and 9: All clean! Thx • var elems = [$ve
Page 10 and 11: Architecture - Object Literal var P
Page 12 and 13: Anti-Pattern: The requery // create
Page 14 and 15: • This is not the .context proper
Page 16 and 17: $(‘#whats .the’,context) • Yo
Page 18 and 19: Come on, my selector • Selector e
Page 20 and 21: Selector engines, parse direction d
Page 22 and 23: Selector Optimization • Of course
Page 24 and 25: Selector Optimization • • Avoid
Page 26 and 27: Event Delegation function delegate(
Page 28 and 29: Event Delegation new in 1.4.2! •
Page 30 and 31: Minimize DOM touches • Use classe
Page 32 and 33: Don’t treat jQuery as a Black Box
Page 34 and 35: Don’t act on absent elements •
Page 36 and 37: Don’t act on absent elements $.fn
Page 38 and 39: new New Element Creation in 1.4! jQ
Page 40 and 41: Data() // regular: $(elem).data(key
Page 42 and 43: Compression • YUI Compressor •
Page 44 and 45: Munge the primitives • Define sho
Page 46 and 47: var str=‘Let\’s put this into a
Page 48 and 49: Logic and Ternary operands // basic
Page 50 and 51: Comments /*! * Will not be removed
Page 52 and 53:
Thanks, ya’ll. • Slides at http
Page 54:
` • // pngfix for IE6 // e.g. FL.

graphics.im.ntu.edu.tw

cs.uvm.edu

Compressed Lossless Texture Representation and Caching ...

Compressed Lossless Texture Representation and Caching ...

graphicshardware.org

Cache Friendly Compressed Representation of Geometry

Cache Friendly Compressed Representation of Geometry

tcs.tifr.res.in

JavaScript Class 3: Element Manipulation - Live to Try

JavaScript Class 3: Element Manipulation - Live to Try

livetotry.com

PDF compression, OCR, web optimization using a watermarked ...

PDF compression, OCR, web optimization using a watermarked ...

oregoncommentator.com

Compressed Sensing in Astronomy - Convex Optimization

Compressed Sensing in Astronomy - Convex Optimization

convexoptimization.com

CUDA Compression - Progress - Stanford PPL

CUDA Compression - Progress - Stanford PPL

ppl.stanford.edu

PDF compression, OCR, web optimization using a watermarked ...

PDF compression, OCR, web optimization using a watermarked ...

fathermuller.com

PDF compression, OCR, web optimization using a ... - Esmas

PDF compression, OCR, web optimization using a ... - Esmas

i2.esmas.com

Compression Fractures

Compression Fractures

eradiology.bidmc.harvard.edu

PDF compression, OCR, web optimization using a watermarked ...

PDF compression, OCR, web optimization using a watermarked ...

steamautomobile.com

PDF compression, OCR, web optimization using a watermarked ...

PDF compression, OCR, web optimization using a watermarked ...

malediven.at

PDF compression, OCR, web optimization using a watermarked ...

PDF compression, OCR, web optimization using a watermarked ...

steamautomobile.com

PDF compression, OCR, web optimization using a watermarked ...

PDF compression, OCR, web optimization using a watermarked ...

steamautomobile.com

PDF compression, OCR, web optimization using a watermarked ...

PDF compression, OCR, web optimization using a watermarked ...

steamautomobile.com

Production Compression Fleet Optimization Case Study

Production Compression Fleet Optimization Case Study

gaselectricpartnership.com

PDF compression, OCR, web optimization using a watermarked ...

PDF compression, OCR, web optimization using a watermarked ...

steamautomobile.com

PDF compression, OCR, web optimization using a watermarked ...

PDF compression, OCR, web optimization using a watermarked ...

oaklandcatholic.org

booksnow1.scholarsportal.info

ZTF Filter Catalog - ZEKS Compressed Air Solutions

ZTF Filter Catalog - ZEKS Compressed Air Solutions

zeks.com

PDF compression, OCR, web optimization using a watermarked ...

PDF compression, OCR, web optimization using a watermarked ...

library.isical.ac.in

PDF compression, OCR, web optimization using a watermarked ...

PDF compression, OCR, web optimization using a watermarked ...

mgracing.mgcc.com.au

PDF compression, OCR, web optimization using a watermarked ...

PDF compression, OCR, web optimization using a watermarked ...

steamautomobile.com

PDF compression, OCR, web optimization using a watermarked ...

PDF compression, OCR, web optimization using a watermarked ...

steamautomobile.com

PDF compression, OCR, web optimization using a watermarked ...

PDF compression, OCR, web optimization using a watermarked ...

steamautomobile.com

PDF compression, OCR, web optimization using a watermarked ...

PDF compression, OCR, web optimization using a watermarked ...

steamautomobile.com

PDF compression, OCR, web optimization using a watermarked ...

PDF compression, OCR, web optimization using a watermarked ...

steamautomobile.com

PDF compression, OCR, web optimization using a watermarked ...

PDF compression, OCR, web optimization using a watermarked ...

steamautomobile.com

PDF compression, OCR, web optimization using a watermarked ...

PDF compression, OCR, web optimization using a watermarked ...

steamautomobile.com