JS 参考手册

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JavaScript

JS Array JS Boolean JS Classes JS Date JS Error JS Global JS JSON JS Math JS Number JS 运算符 JS RegExp JS 语句 JS String

HTML DOM

DOM Attributes DOM Document DOM Element DOM Events DOM Event 对象 DOM HTMLCollection DOM Location DOM Navigator DOM Screen DOM Style
alignContent alignItems alignSelf animation animationDelay animationDirection animationDuration animationFillMode animationIterationCount animationName animationTimingFunction animationPlayState background backgroundAttachment backgroundColor backgroundImage backgroundPosition backgroundRepeat backgroundClip backgroundOrigin 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 cursor direction display emptyCells filter flex flexBasis flexDirection flexFlow flexGrow flexShrink flexWrap cssFloat 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
DOM Window

Web APIs

API Console API Geolocation API History API Storage

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>

其他参考手册

CSSStyleDeclaration JS 类型转换


HTML DOM scrollWidth 属性

❮ Element 对象

实例

获取元素的整个高度和宽度,包括填充:

var elmnt = document.getElementById("content");
var y = elmnt.scrollHeight;
var x = elmnt.scrollWidth;
亲自试一试 »

页面下方有更多实例。


定义和用法

scrollWidth 属性以像素为单位返回元素的整个宽度,包括填充,但不包括边框、滚动条或边距。

提示: 使用 scrollHeight 属性返回元素的整个高度。

scrollWidth 和 scrollHeight 属性返回元素的整个高度和宽度,包括不可查看的高度和宽度(由于溢出)。

提示: 要向元素添加滚动条,请使用 CSS overflow 属性。

该属性是只读的。


浏览器支持

属性
scrollWidth Yes Yes Yes Yes Yes

语法

element.scrollWidth


技术细节

返回值: 一个数字, 表示元素的整个宽度(水平方向),以像素为单位

更多实例

实例

使用填充、边框、滚动条和边距显示这对scrollWidth和scrollHeight属性的影响:

var elmnt = document.getElementById("content");
var y = elmnt.scrollHeight;
var x = elmnt.scrollWidth;
亲自试一试 »

实例

返回元素的 scrollHeight 和 scrollWidth,然后将其高度和宽度设置为 scrollHeight 和 scrollWidth 返回的值:

var elmnt = document.getElementById("content");

function getFunction() {
  var x = elmnt.scrollWidth;
  var y = elmnt.scrollHeight;
}

function setFunction() {
  elmnt.style.height = y.scrollHeight + "px";
  elmnt.style.width = y.scrollWidth + "px";
}
亲自试一试 »

❮ Element 对象