found drama

• JavaScript Memory Profiling
  Oriented toward profiling in the Chome Dev Tools, but the underlying principles hold true across browsers. Lots of detail in here.
  (tagged: JavaScript performance memory garbage collection profiling )
• Script-injected "async scripts" considered harmful
  Ilya Grigorik:

  The inline JavaScript solution has a subtle, but very important (and an often overlooked) performance gotcha: inline scripts block on CSSOM before they are executed. Why? The browser does not know what the inline block is planning to do in the script it is about to execute, and because JavaScript can access and manipulate the CSSOM, it blocks and waits until the CSS is downloaded, parsed, and the CSSOM is constructed and available. A hands-on network waterfall is worth thousands words, consider this example:

  (tagged: performance async script injection )
• Data-binding Revolutions with Object.observe()
  Addy Osmani writing at HTML5 Rocks. I've linked to posts about Object.observe() before and I'll repeat what I said then: this is going to be one of the most important things added to the JS standard library in a long time.
  (tagged: Object.observe )
• 60fps scrolling using pointer-events: none
  Simple and powerful technique for smoothing out rendering performance during big scrolls. (How did I miss this for six months?)
  (tagged: CSS scrolling performance )
• DRY-ing Out Your Sass Mixins
  Sam Richard, writing at A List Apart.
  (tagged: Sass SCSS CSS )
• Components Should Be Focused, Independent, Reusable, Small And Testable (FIRST)
  Addy Osmani introducing the FIRST principle.

  
  (tagged: software development FIRST )

About Rob Friesel