When jQuery and CSS3 Collide

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When jQuery & CSS3 Collide by Louis Lazaris

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Who is This Guy?

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www.impressivewebs.com

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I’ve Helped With...

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I Write...

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I Build...

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How I Feel

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The Front-end

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They Work Together

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Nobody wants this...

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Or This...

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Certainly Not This...

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But Together...

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Two Technologies

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Take-Away Concepts > Think Modular

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Take-Away Concepts > Think Modular > Learn the Subtleties

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Animation in jQuery > Uses .animate() > Or .fadeIn(), .slideUp(), etc

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Animation in jQuery

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Animation in jQuery

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Often Unnecessary?

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Often Unnecessary?

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The Alternative

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The CSS

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One Benefit of .animate()

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Use ‘transitionend’

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With Modernizr.prefixed()

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‘transitionend’ on MDN

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Use ‘animationend’

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With Modernizr.prefixed()

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‘animationend’ on MDN

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Web Animations 1.0

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Web Animations 1.0

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Defining App States

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Fresh Counting Done htmlElement.className = 'counting'; htmlElement.className = 'done'; Defining App States

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Defining App States

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Using Animate.css

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Using Animate.css

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Using Animate.css

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Options... > Use Existing Tools/Libraries > Build Your Own Reusable Modules

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Benefits? > Modular > Easier to Maintain

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Using CSS3 Transitions and Animations More Often...?

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How Are CSS3 Transitions Triggered?

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A Simple Transition

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What Triggers It?

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What Triggers It?

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This (kind of) means... Event  State Change State Change  Transition

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How Does State Change? > :hover > :active > :focus

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How Does State Change? > :checked > :disabled > @media

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Different Transitions on/off

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Different Transitions on/off

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Different Transitions on/off

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Different Transitions on/off

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Different Transitions on/off

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More Transition Subtleties...

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1 Floated Boxes

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Increase Width & Height?

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1 Causes Reflow

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Scale Transform?

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1 1 Does Not Cause Reflow

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Things That Are Out of the Flow... > Text shadows > Box shadows > display: none

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> position: absolute > position: fixed Things That Are Out of the Flow...

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> position: absolute > position: fixed > “position: relative” offsets Things That Are Out of the Flow...

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1 Floated Boxes

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“position: relative” offsets 1

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> Outlines > Transform offsets (scale, skew, rotate, translate) Things That Are Out of the Flow...