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Tutorial
Installation
Linking to fragments
a[up-follow]
[up-method]
[up-fail-target]
[up-fallback]
[up-transition]
[up-fail-transition]
[up-href]
[up-confirm]
[up-history]
[up-restore-scroll]
a[up-target]
[up-target]
[up-method]
[up-transition]
[up-fail-target]
[up-fail-transition]
[up-fallback]
[up-href]
[up-confirm]
[up-reveal]
[up-restore-scroll]
[up-cache]
[up-layer]
[up-history]
[up-dash]
[up-expand]
[up-instant]
up.follow()
up.link.isFollowable()
up.link.makeFollowable()
up.visit()
Modal dialogs
[up-drawer]
[up-position]
[up-modal]
[up-confirm]
[up-method]
[up-sticky]
[up-closable]
[up-animation]
[up-backdrop-animation]
[up-height]
[up-width]
[up-history]
.up-modal [up-close]
up.modal.close()
up.modal.config
up.modal.contains()
up.modal.coveredUrl()
up.modal.extract()
up.modal.flavors
up.modal.flavors.drawer
up.modal.follow()
up.modal.isOpen()
up.modal.url()
up.modal.visit()
up:modal:close
up:modal:closed
up:modal:open
up:modal:opened
Pop-up overlays
[up-popup]
[up-position]
[up-confirm]
[up-method]
[up-sticky]
[up-history]
.up-popup [up-close]
up.popup.attach()
up.popup.close()
up.popup.config
up.popup.coveredUrl()
up.popup.isOpen()
up.popup.url()
up:popup:close
up:popup:closed
up:popup:open
up:popup:opened
Animation
up.animate()
up.animation()
up.morph()
up.motion.config
up.motion.finish()
up.motion.isEnabled()
up.motion.none()
up.motion.when()
up.transition()
Navigation feedback
.up-active
.up-current
up.feedback.config
Custom JavaScript
[up-data]
up.compiler()
up.macro()
up.syntax.data()
Fragment update API
[up-keep]
up.destroy()
up.dom.config
up.extract()
up.first()
up.hello()
up.reload()
up.replace()
up:fragment:destroy
up:fragment:destroyed
up:fragment:inserted
up:fragment:keep
up:fragment:kept
AJAX acceleration
[up-preload]
[up-delay]
up.ajax()
up.proxy.alias()
up.proxy.clear()
up.proxy.config
up.proxy.get()
up.proxy.isBusy()
up.proxy.isIdle()
up.proxy.preload()
up.proxy.remove()
up.proxy.set()
up:proxy:load
up:proxy:received
up:proxy:recover
up:proxy:slow
Forms
form[up-target]
[up-target]
[up-fail-target]
[up-fallback]
[up-transition]
[up-fail-transition]
[up-history]
[up-method]
[up-reveal]
[up-restore-scroll]
[up-cache]
[up-autosubmit]
[up-delay]
[up-hide-for]
[up-observe]
[up-delay]
[up-show-for]
[up-switch]
[up-validate]
up.autosubmit()
up.form.config
up.observe()
up.submit()
up.validate()
Tooltips
[up-tooltip]
[up-animation]
[up-position]
[up-tooltip-html]
up.tooltip.attach()
up.tooltip.close()
up.tooltip.config
up.tooltip.isOpen()
Browser history
[up-back]
up.history.config
up.history.push()
up.history.replace()
up.history.url()
up:history:push
up:history:pushed
up:history:restored
Application layout
[up-anchored=right]
[up-fixed=bottom]
[up-fixed=top]
[up-viewport]
up.layout.config
up.layout.restoreScroll()
up.layout.revealHash()
up.layout.saveScroll()
up.reveal()
up.scroll()
Events
up.bus.nobodyPrevents()
up.bus.onEscape()
up.emit()
up.off()
up.on()
up.reset()
up:framework:reset
Browser support
up.browser.canFormData()
up.browser.canPushState()
up.browser.isSupported()
Server protocol
up.protocol.config
Utility functions
up.fail()
up.util.all()
up.util.any()
up.util.assign()
up.util.compact()
up.util.contains()
up.util.copy()
up.util.detect()
up.util.each()
up.util.escapeHtml()
up.util.except()
up.util.isArray()
up.util.isBlank()
up.util.isDeferred()
up.util.isDefined()
up.util.isElement()
up.util.isFunction()
up.util.isGiven()
up.util.isHash()
up.util.isJQuery()
up.util.isMissing()
up.util.isNull()
up.util.isNumber()
up.util.isObject()
up.util.isPresent()
up.util.isPromise()
up.util.isString()
up.util.isUndefined()
up.util.map()
up.util.merge()
up.util.nextFrame()
up.util.noop()
up.util.once()
up.util.only()
up.util.parseUrl()
up.util.presence()
up.util.reject()
up.util.rejectedPromise()
up.util.remove()
up.util.resolvedDeferred()
up.util.resolvedPromise()
up.util.select()
up.util.selectorForElement()
up.util.setTimer()
up.util.times()
up.util.toArray()
up.util.uniq()
up.util.unresolvableDeferred()
up.util.unresolvablePromise()
Logging
up.log.config
up.log.disable()
up.log.enable()
Changes

Utility functions up.util.presence(object, [tester]) function

Returns the given argument if the argument is present, otherwise returns undefined.

Parameters

object
[tester=up.util.isPresent] Function optional

The function that will be used to test whether the argument is present.

Return value

T or Undefined
Made by Henning Koch from makandra (imprint)