Menu
×
   ❮     
HTML CSS JAVASCRIPT SQL PYTHON JAVA PHP HOW TO W3.CSS C C++ C# BOOTSTRAP REACT MYSQL JQUERY EXCEL XML DJANGO NUMPY PANDAS NODEJS R TYPESCRIPT ANGULAR GIT POSTGRESQL MONGODB ASP AI GO KOTLIN SASS VUE DSA GEN AI SCIPY AWS CYBERSECURITY DATA SCIENCE
     ❯   

JS 参考

按类别分类的 JS 按字母顺序排列的 JS

JavaScript

JS 数组 JS 布尔值 JS 类 JS 日期 JS 错误 JS 全局 JS JSON JS 地图 JS 数学 JS 数字 JS 对象 JS 运算符 JS 优先级 JS Promises JS 正则表达式 JS 集合 JS 语句 JS 字符串 JS TypedArray

窗口

窗口对象 窗口控制台 窗口历史记录 窗口位置 窗口导航器 窗口屏幕

HTML DOM

HTML 文档 HTML 元素 HTML 属性 HTML 集合 HTML 节点列表 HTML DOMTokenList 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 事件

HTML 事件 HTML 事件对象 HTML 事件属性 HTML 事件方法

Web APIs

API Canvas API Console API Fetch API 全屏 API 地理位置 API 历史记录 API MediaQueryList API 存储 API 验证 API 网页

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> <style> <sub> <summary> <sup> <table> <tbody> <td> <tfoot> <th> <thead> <tr> <textarea> <time> <title> <track> <u> <ul> <var> <video>

其他参考

CSSStyleDeclaration JS 转换


HTML DOM 元素 offsetWidth

示例

获取 "myDIV" 的高度和宽度,包括填充和边框

const elmnt = document.getElementById("myDIV");
let text = "带有填充和边框的高度: " + elmnt.offsetHeight + "px<br>";
text += "带有填充和边框的宽度: " + elmnt.offsetWidth + "px";
自己尝试 »

以下还有更多示例。


描述

<code class="w3-codespan">offsetWidth</code> 属性返回元素的可视宽度(以像素为单位),包括填充、边框和滚动条,但不包括边距。

<code class="w3-codespan">offsetWidth</code> 属性是只读的。

教程

CSS 盒模型

offsetParent

所有块级元素报告相对于 offset parent 的偏移量

  • offsetTop
  • offsetLeft
  • offsetWidth
  • offsetHeight

offset parent 是具有非 static 位置的最接近的祖先。

如果不存在 offset parent,则偏移量相对于文档主体。

另请参阅

offsetHeight 属性

offsetParent 属性

offsetTop 属性

offsetLeft 属性

clientTop 属性

clientLeft 属性

clientWidth 属性

clientHeight 属性


语法

element.offsetWidth

返回值

类型 描述
数字元素的可视宽度(以像素为单位),包括填充、边框和滚动条。


之间的区别
clientHeight/clientWidth 和 offsetHeight/offsetWidth

没有滚动条

const elmnt = document.getElementById("myDIV");
let text = "";
text += "带有填充的高度: " + elmnt.clientHeight + "px<br>";
text += "带有填充和边框的高度: " + elmnt.offsetHeight + "px<br>";
text += "带有填充的宽度: " + elmnt.clientWidth + "px<br>";
text += "带有填充和边框的宽度: " + elmnt.offsetWidth + "px";
自己尝试 »

带有滚动条

const elmnt = document.getElementById("myDIV");
let text = "";
text += "带有填充的高度: " + elmnt.clientHeight + "px<br>";
text += "带有填充、边框和滚动条的高度: " + elmnt.offsetHeight + "px<br>";
text += "带有填充的宽度: " + elmnt.clientWidth + "px<br>";
text += "带有填充、边框和滚动条的宽度: " + elmnt.offsetWidth + "px";
自己尝试 »

浏览器支持

<code class="w3-codespan">element.offsetWidth</code> 在所有浏览器中都受支持

Chrome Edge Firefox Safari Opera IE

×

Contact Sales

If you want to use W3Schools services as an educational institution, team or enterprise, send us an e-mail:
[email protected]

Report Error

If you want to report an error, or if you want to make a suggestion, send us an e-mail:
[email protected]

W3Schools is optimized for learning and training. Examples might be simplified to improve reading and learning. Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content. While using W3Schools, you agree to have read and accepted our terms of use, cookie and privacy policy.

Copyright 1999-2024 by Refsnes Data. All Rights Reserved. W3Schools is Powered by W3.CSS.