目录
- JS 参考
-
JavaScript
-
JS 数组
- JS 数组
- at()
- concat()
- constructor
- copyWithin()
- entries()
- every()
- fill()
- filter()
- find()
- findIndex()
- flat()
- flatMap()
- forEach()
- from()
- includes()
- indexOf()
- isArray()
- join()
- keys()
- lastIndexOf()
- length
- map()
- pop()
- prototype
- push()
- reduce()
- reduceRight()
- reverse()
- shift()
- slice()
- some()
- sort()
- splice()
- toString()
- unshift()
- valueOf()
- JS 布尔
- JS 类
-
JS 日期
- JS 日期
- constructor
- getDate()
- getDay()
- getFullYear()
- getHours()
- getMilliseconds()
- getMinutes()
- getMonth()
- getSeconds()
- getTime()
- getTimezoneOffset()
- getUTCDate()
- getUTCDay()
- getUTCFullYear()
- getUTCHours()
- getUTCMilliseconds()
- getUTCMinutes()
- getUTCMonth()
- getUTCSeconds()
- now()
- parse()
- prototype
- setDate()
- setFullYear()
- setHours()
- setMilliseconds()
- setMinutes()
- setMonth()
- setSeconds()
- setTime()
- setUTCDate()
- setUTCFullYear()
- setUTCHours()
- setUTCMilliseconds()
- setUTCMinutes()
- setUTCMonth()
- setUTCSeconds()
- toDateString()
- toISOString()
- toJSON()
- toLocaleDateString()
- toLocaleTimeString()
- toLocaleString()
- toString()
- toTimeString()
- toUTCString()
- UTC()
- valueOf()
- JS 错误
- JS 全局
- JS JSON
- JS 数学
- JS 数字
- JS 对象
- JS 运算符
- JS 优先级
- JS 正则表达式
- JS 声明
-
JS 字符串
- JS 字符串
- at()
- charAt()
- charCodeAt()
- codePointAt()
- concat()
- constructor
- endsWith()
- fromCharCode()
- includes()
- indexOf()
- lastIndexOf()
- length
- localeCompare()
- match()
- padEnd()
- padStart()
- prototype
- repeat()
- replace()
- replaceAll()
- search()
- slice()
- split()
- startsWith()
- substr()
- substring()
- toLocaleLowerCase()
- toLocaleUpperCase()
- toLowerCase()
- toString()
- toUpperCase()
- trim()
- trimEnd()
- trimStart()
- valueOf()
- JS 类型数组
-
JS 数组
-
窗口
-
窗口对象
- 窗口对象
- addeventlistener()
- alert()
- atob()
- blur()
- btoa()
- clearInterval()
- clearTimeout()
- close()
- closed
- confirm()
- console
- defaultStatus
- document
- focus()
- frameElement
- frames
- history
- getComputedStyle()
- innerHeight
- innerWidth
- length
- localStorage
- location
- matchMedia()
- moveBy()
- moveTo()
- name
- navigator
- open()
- opener
- outerHeight
- outerWidth
- pageXOffset
- pageYOffset
- parent
- print()
- prompt()
- removeEventlistener()
- resizeBy()
- resizeTo()
- screen
- screenLeft
- screenTop
- screenX
- screenY
- scrollBy()
- scrollTo()
- scrollX
- scrollY
- sessionStorage
- self
- setInterval()
- setTimeout()
- status
- stop()
- top
- 窗口控制台
- 窗口历史
- 窗口位置
- 窗口导航器
- 窗口屏幕
-
窗口对象
-
HTML DOM
-
HTML 文档
- HTML 文档
- activeElement
- addEventListener()
- adoptNode()
- anchors
- applets
- baseURI
- body
- charset
- characterSet
- close()
- cookie
- createAttribute()
- createComment()
- createDocumentFragment()
- createElement()
- createEvent()
- createTextNode()
- defaultView
- designMode
- doctype
- documentElement
- documentMode
- documentURI
- domain
- domConfig
- embeds
- execCommand()
- forms
- getElementById()
- getElementsByClassName()
- getElementsByName()
- getElementsByTagName()
- hasFocus()
- head
- images
- implementation
- importNode()
- inputEncoding
- lastModified
- links
- normalize()
- normalizeDocument()
- open()
- querySelector()
- querySelectorAll()
- readyState
- referrer
- removeEventListener()
- renameNode()
- scripts
- strictErrorChecking
- title
- URL
- write()
- writeln()
-
HTML 元素
- HTML 元素
- accessKey
- addEventListener()
- appendChild()
- attributes
- blur()
- childElementCount
- childNodes
- children
- classList
- className
- click()
- clientHeight
- clientLeft
- clientTop
- clientWidth
- cloneNode()
- closest()
- compareDocumentPosition()
- contains()
- contentEditable
- dir
- firstChild
- firstElementChild
- focus()
- getAttribute()
- getAttributeNode()
- getBoundingClientRect()
- getElementsByClassName()
- getElementsByTagName()
- hasAttribute()
- hasAttributes()
- hasChildNodes()
- id
- innerHTML
- innerText
- insertAdjacentElement()
- insertAdjacentHTML()
- insertAdjacentText()
- insertBefore()
- isContentEditable
- isDefaultNamespace()
- isEqualNode()
- isSameNode()
- isSupported()
- lang
- lastChild
- lastElementChild
- matches()
- namespaceURI
- nextSibling
- nextElementSibling
- nodeName
- nodeType
- nodeValue
- normalize()
- offsetHeight
- offsetWidth
- offsetLeft
- offsetParent
- offsetTop
- outerHTML
- outerText
- ownerDocument
- parentNode
- parentElement
- previousSibling
- previousElementSibling
- querySelector()
- querySelectorAll()
- remove()
- removeAttribute()
- removeAttributeNode()
- removeChild()
- removeEventListener()
- replaceChild()
- scrollHeight
- scrollIntoView()
- scrollLeft
- scrollTop
- scrollWidth
- setAttribute()
- setAttributeNode()
- style
- tabIndex
- tagName
- textContent
- title
- HTML 属性
- HTML 集合
- HTML 节点列表
- HTML DOMTokenList
-
HTML 样式
- HTML 样式
- alignContent
- alignItems
- alignSelf
- animation
- animationDelay
- animationDirection
- animationDuration
- animationFillMode
- animationIterationCount
- animationName
- animationTimingFunction
- animationPlayState
- background
- backgroundAttachment
- backgroundClip
- backgroundColor
- backgroundImage
- backgroundOrigin
- backgroundPosition
- backgroundRepeat
- backgroundSize
- backfaceVisibility
- border
- borderBottom
- borderBottomColor
- borderBottomLeftRadius
- borderBottomRightRadius
- borderBottomStyle
- borderBottomWidth
- borderCollapse
- borderColor
- borderImage
- borderImageOutset
- borderImageRepeat
- borderImageSlice
- borderImageSource
- borderImageWidth
- borderLeft
- borderLeftColor
- borderLeftStyle
- borderLeftWidth
- borderRadius
- borderRight
- borderRightColor
- borderRightStyle
- borderRightWidth
- borderSpacing
- borderStyle
- borderTop
- borderTopColor
- borderTopLeftRadius
- borderTopRightRadius
- borderTopStyle
- borderTopWidth
- borderWidth
- bottom
- boxShadow
- boxSizing
- captionSide
- caretColor
- clear
- clip
- color
- columnCount
- columnFill
- columnGap
- columnRule
- columnRuleColor
- columnRuleStyle
- columnRuleWidth
- columns
- columnSpan
- columnWidth
- counterIncrement
- counterReset
- cssFloat
- cursor
- direction
- display
- emptyCells
- filter
- flex
- flexBasis
- flexDirection
- flexFlow
- flexGrow
- flexShrink
- flexWrap
- font
- fontFamily
- fontSize
- fontStyle
- fontVariant
- fontWeight
- fontSizeAdjust
- height
- isolation
- justifyContent
- left
- letterSpacing
- lineHeight
- listStyle
- listStyleImage
- listStylePosition
- listStyleType
- margin
- marginBottom
- marginLeft
- marginRight
- marginTop
- maxHeight
- maxWidth
- minHeight
- minWidth
- objectFit
- objectPosition
- opacity
- order
- orphans
- outline
- outlineColor
- outlineOffset
- outlineStyle
- outlineWidth
- overflow
- overflowX
- overflowY
- padding
- paddingBottom
- paddingLeft
- paddingRight
- paddingTop
- pageBreakAfter
- pageBreakBefore
- pageBreakInside
- perspective
- perspectiveOrigin
- position
- quotes
- resize
- right
- scrollBehavior
- tableLayout
- tabSize
- textAlign
- textAlignLast
- textDecoration
- textDecorationColor
- textDecorationLine
- textDecorationStyle
- textIndent
- textOverflow
- textShadow
- textTransform
- top
- transform
- transformOrigin
- transformStyle
- transition
- transitionProperty
- transitionDuration
- transitionTimingFunction
- transitionDelay
- unicodeBidi
- userSelect
- verticalAlign
- visibility
- width
- wordBreak
- wordSpacing
- wordWrap
- widows
- zIndex
-
HTML 文档
-
HTML 事件
-
HTML 事件
- HTML 事件
- abort
- afterprint
- animationend
- animationiteration
- animationstart
- beforeprint
- beforeunload
- blur
- canplay
- canplaythrough
- change
- click
- contextmenu
- copy
- cut
- dblclick
- drag
- dragend
- dragenter
- dragleave
- dragover
- dragstart
- drop
- durationchange
- ended
- error
- focus
- focusin
- focusout
- fullscreenchange
- fullscreenerror
- hashchange
- input
- invalid
- keydown
- keypress
- keyup
- load
- loadeddata
- loadedmetadata
- loadstart
- message
- mousedown
- mouseenter
- mouseleave
- mousemove
- mouseover
- mouseout
- mouseup
- offline
- online
- open
- pagehide
- pageshow
- paste
- pause
- play
- playing
- progress
- ratechange
- resize
- reset
- scroll
- search
- seeked
- seeking
- select
- show
- stalled
- submit
- suspend
- timeupdate
- toggle
- touchcancel
- touchend
- touchmove
- touchstart
- transitionend
- unload
- volumechange
- waiting
- wheel
- HTML 事件对象
-
HTML 事件属性
- HTML 事件属性
- altKey (Mouse)
- altKey (Key)
- animationName
- bubbles
- button
- buttons
- cancelable
- charCode
- clientX
- clientY
- code
- ctrlKey (Mouse)
- ctrlKey (Key)
- currentTarget
- data
- defaultPrevented
- deltaX
- deltaY
- deltaZ
- deltaMode
- detail
- elapsedTime
- elapsedTime
- eventPhase
- inputType
- isTrusted
- key
- keyCode
- location
- metaKey (Mouse)
- metaKey (Key)
- newURL
- oldURL
- offsetX
- offsetY
- pageX
- pageY
- persisted
- propertyName
- relatedTarget
- relatedTarget
- screenX
- screenY
- shiftKey (Mouse)
- shiftKey (Key)
- target
- targetTouches
- timeStamp
- touches
- type
- which (Mouse)
- which (Key)
- view
- HTML 事件方法
-
HTML 事件
- Web APIs
-
HTML 对象
- <a>
- <abbr>
- <address>
- <area>
- <article>
- <aside>
- <audio>
- <b>
- <base>
- <bdo>
- <blockquote>
- <body>
- <br>
- <button>
- <canvas>
- <caption>
- <cite>
- <code>
- <col>
- <colgroup>
- <datalist>
- <dd>
- <del>
- <details>
- <dfn>
- <dialog>
- <div>
- <dl>
- <dt>
- <em>
- <embed>
- <fieldset>
- <figcaption>
- <figure>
- <footer>
- <form>
- <head>
- <header>
- <h1> - <h6>
- <hr>
- <html>
- <i>
- <iframe>
- <img>
- <ins>
- <input> button
- <input> checkbox
- <input> color
- <input> date
- <input> datetime
- <input> datetime-local
- <input> email
- <input> file
- <input> hidden
- <input> image
- <input> month
- <input> number
- <input> password
- <input> radio
- <input> range
- <input> reset
- <input> search
- <input> submit
- <input> text
- <input> time
- <input> url
- <input> week
- <kbd>
- <label>
- <legend>
- <li>
- <link>
- <map>
- <mark>
- <menu>
- <menuitem>
- <meta>
- <meter>
- <nav>
- <object>
- <ol>
- <optgroup>
- <option>
- <output>
- <p>
- <param>
- <pre>
- <progress>
- <q>
- <s>
- <samp>
- <script>
- <section>
- <select>
- <small>
- <source>
- <span>
- <strong>
- <sub>
- <summary>
- <sup>
- <table>
- <tbody>
- <td>
- <tfoot>
- <th>
- <thead>
- <tr>
- <textarea>
- <time>
- <title>
- <track>
- <u>
- <ul>
- <var>
- <video>
- 其他参考
HTML DOM FocusEvent
FocusEvent 对象
FocusEvent 对象处理元素获得或失去焦点时发生的事件。
焦点事件
| Event | Occurs When |
|---|---|
| onblur | An element loses focus |
| onfocus | An element gets focus |
| onfocusin | An element is about to get focus |
| onfocusout | An element is about to lose focus |
FocusEvent 属性
| Property | Returns |
|---|---|
| relatedTarget | The element that triggered the event |
继承的属性和方法
FocusEvent 继承了以下所有属性和方法：
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