Install Tutorial Changes Community Github Menu
×
Tutorial
Installation
Linking to fragments
a[up-dash]
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-instant]
a[up-target]
[up-method]
[up-transition]
[up-fail-target]
[up-fail-transition]
[up-fallback]
[up-href]
[up-confirm]
[up-reveal]
[up-fail-reveal]
[up-restore-scroll]
[up-cache]
[up-layer]
[up-fail-layer]
[up-history]
[up-expand]
up.follow()
up.link.isFollowable()
up.link.isSafe()
up.link.makeFollowable()
up.visit()
up:link:follow
Modal dialogs
a[up-drawer]
[up-position]
a[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
a[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.transition()
Navigation feedback
a.up-active
a.up-current
form.up-active
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
a[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.request()
up:proxy:load
up:proxy:loaded
up:proxy:recover
up:proxy:slow
Forms
form[up-autosubmit]
[up-delay]
form[up-observe]
[up-delay]
form[up-target]
[up-fail-target]
[up-fallback]
[up-transition]
[up-fail-transition]
[up-history]
[up-method]
[up-layer]
[up-fail-layer]
[up-reveal]
[up-fail-reveal]
[up-restore-scroll]
[up-cache]
input[up-autosubmit]
[up-delay]
input[up-observe]
[up-delay]
input[up-switch]
input[up-validate]
up.autosubmit()
up.form.config
up.observe()
up.submit()
up.validate()
up:form:submit
Tooltips
[up-tooltip]
[up-animation]
[up-position]
[up-tooltip-html]
up.tooltip.attach()
up.tooltip.close()
up.tooltip.config
up.tooltip.isOpen()
History
a[up-back]
up.history.config
up.history.push()
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
Passive updates
[up-hungry]
up.radio.config
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.isDefined()
up.util.isElement()
up.util.isFunction()
up.util.isGiven()
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.remove()
up.util.select()
up.util.selectorForElement()
up.util.setTimer()
up.util.times()
up.util.toArray()
up.util.uniq()
up.util.unresolvablePromise()
Logging
up.log.config
up.log.disable()
up.log.enable()
Changes
Edit this page

Utility functions up.util.isString(object) function

Returns whether the given argument is a string.

Parameters

object

Return value

boolean
Made by Henning Koch from makandra (imprint)