搜索:getElement*,querySelector*如何去获取页面上的任意元素?document.getElementById 或者只使用 id如果一个元素有 id 特性(attribute),那我们就可以使用 document.getElementById(id) 方法获取该元素,无论它在哪里。例如:<div id="elem"> <div id="elem-content">Element</div> </div> <script> // 获取...
x=111#part1"document.location.protocol// "http:"document.location.host// "www.example.com:4097"document.location.hostname// "www.example.com"document.location.port// "4097"document.location.pathname// "/path/a.html"document.location.search// "?x=111"document.location.hash// "#part1"docume...
var element =document.querySelector(selectors);element 是返回的一个元素对象selectors 是一组匹配的选择器<ul> <liclass="test"id="l1"></li> <liclass="test"id="l2"></li> <liclass="test"id="l3"></li> <liclass="test"id="l4"></li> <liclass="test"id="l5"></li...
问基于数据绑定名称的document.querySelectorEN有一些设计师喜欢改改改，界面的整体布局总是变更，如给 G...
getElementsByClassName(className):根据元素的class属性获取元素列表。 getElementsByTagName(tagName):根据元素的标签名获取元素列表。 querySelector(selector):根据CSS选择器获取匹配的第一个元素。 querySelectorAll(selector):根据CSS选择器获取匹配的所有元素。
NSTextViewSelectorCommand NSTextViewSpellingQuery NSTextViewTextChecked NSTextViewTextCheckingResults NSTextViewTooltip NSTextViewTypeAttribute NSTextViewUpdateTouchBarItemIdentifiers NSTextViewWillChangeNotificationTextViewEventArgs NSTickMarkPosition NSTiffCompression NSTitlebarAccessoryViewController NSTitlePos...
document.querySelectorAll方法与querySelector用法类似,区别是返回一个NodeList对象,包含所有匹配给定选择器的节点。 elementList =document.querySelectorAll('.myclass'); 这两个方法的参数,可以是逗号分隔的多个 CSS 选择器,返回匹配其中一个选择器的元素节点,这...
Inserts a set of Node objects or strings before the first child of the document. Document.querySelector() Returns the first Element node within the document, in document order, that matches the specified selectors. Document.querySelectorAll() Returns a list of all the Element nodes within the...
links Returns a collection of all <a> and <area> elements in the document that have a href attribute normalize() Removes empty Text nodes, and joins adjacent nodes normalizeDocument() Deprecated open() Opens an HTML output stream to collect output from document.write() querySelector() Returns...
The querySelector() Method The querySelectorAll() Method The NodeList Reference Syntax document.getElementsByName(name) Parameters ParameterDescription nameRequired. The value of the element's name attribute. Return Value TypeDescription ObjectA NodeList Object. ...