Query .first()
Gets the first element from the collection
query-first
component
Query
page.js
Utilities
["query","utilities","element","access"]
.first()
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.component()
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.addClass()
.attr()
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.removeAttr()
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Content
.getSlot()
.html()
.outerHTML()
.setSlot()
.text()
.textNode()
.value()
CSS
.computedStyle()
.css()
.cssVar()
Dimensions
.height()
.innerHeight()
.innerWidth()
.naturalHeight()
.naturalWidth()
.outerHeight()
.outerWidth()
.scrollHeight()
.scrollLeft()
.scrollTop()
.scrollWidth()
.width()
DOM Manipulation
.append()
.clone()
.detach()
.insertAfter()
.insertBefore()
.prepend()
.remove()
.reverse()
DOM Traversal
.children()
.clippingParent()
.closest()
.containingParent()
.contains()
.filter()
.find()
.indexOf()
.is()
.next()
.not()
.parent()
.prev()
.siblings()
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.dispatchEvent()
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.on() Delegation
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.one()
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.trigger()
Iterators
.each()
.map()
Logical Operators
.end()
.eq()
.last()
.slice()
Utilities
.count()
.el()
.exists()
.first()
.get()
.index()
.prop()
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Introduction
Chaining
Creating DOM
DOM Basics
Shadow DOM
Components
.component()
.dataContext()
.initialize()
.setting()
.settings()
Attributes
.addClass()
.attr()
.data()
.hasClass()
.removeAttr()
.removeClass()
.toggleClass()
Content
.getSlot()
.html()
.outerHTML()
.setSlot()
.text()
.textNode()
.value()
CSS
.computedStyle()
.css()
.cssVar()
Dimensions
.height()
.innerHeight()
.innerWidth()
.naturalHeight()
.naturalWidth()
.outerHeight()
.outerWidth()
.scrollHeight()
.scrollLeft()
.scrollTop()
.scrollWidth()
.width()
DOM Manipulation
.append()
.clone()
.detach()
.insertAfter()
.insertBefore()
.prepend()
.remove()
.reverse()
DOM Traversal
.children()
.clippingParent()
.closest()
.containingParent()
.contains()
.filter()
.find()
.indexOf()
.is()
.next()
.not()
.parent()
.prev()
.siblings()
Events
.blur()
.click()
.dispatchEvent()
.focus()
.off()
.on()
.on() Delegation
.on() Abort
.on() Callback
.one()
.ready()
.submit()
.trigger()
Iterators
.each()
.map()
Logical Operators
.end()
.eq()
.last()
.slice()
Utilities
.count()
.el()
.exists()
.first()
.get()
.index()
.prop()
Setup
Browser Usage
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each
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isEqual
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clone
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fatal
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isClient
isServer
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escapeRegExp
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