id selector Description:Selects a single element with the given id attribute. version added:1.0jQuery( "#id" ) id:An ID to search for, specified via the id attribute of an element. For id selectors, jQuery uses the JavaScript functiondocument.getElementById(), which is extremely efficient....
ID Selector ("#id") : 选择一个具有给定id属性的单个元素。 - jQuery API 中文文档 | jQuery 中文网
The #id selector selects the element with the specific id.The id refers to the id attribute of an HTML element.Note: The id attribute must be unique within a document.Note: Do not start an id attribute with a number. It may cause problems in some browsers....
linkSelecting Elements by ID 1 $("#myId");// Note IDs must be unique per page. linkSelecting Elements by Class Name 1 $(".myClass"); linkSelecting Elements by Attribute 1 $("input[name='first_name']"); linkSelecting Elements by Compound CSS Selector ...
core_trim = core_version.trim, // Define a local copy of jQuery jQuery = function( selector, context ) { // The jQuery object is actually just the init constructor 'enhanced' return new jQuery.fn.init( selector, context, rootjQuery ); }, // Used for matching numbers core_pnum = /...
$("#test").hide() - 隐藏 id="test" 的元素 selector的更多用法见下图 也可使用.first()//第一个元素;.last()//最后一个元素;.eq(ind)//第ind个元素;.filter(selector_include)//有该特性的元素;.not(selector_exclude)//无该特性的所有元素。 一般而言,文档就绪时才执行jQuery语句,避免出现意外,...
it must be escaped with with two backslashes:\\. For example, an element withid="foo.bar", can use the selector$("#foo\\.bar"). The W3C CSS specification contains thecomplete set of rules regarding valid CSS selectors. Also useful is the blog entry by Mathias Bynens onCSS character ...
Escape Selectors: A frequently requested feature you can now select elements by ID (or other selector) that uses a special character, for example this will find the div that has the ID of “foo.bar”:$("div#foo\\\.bar")Inequality Selector: While this selector isn’t part of the CSS...
jQuery 3.6.4 Released: Selector Forgiveness Posted on March 8, 2023 by Timmy Willison If you’ve been following along with recent jQuery releases, we have been working on how to address the recent addition of some new selectors in browsers, especially :has. jQuery 3.6.3 settled on the...
(inc user scripts) have been downloaded, which is still straight away for modern browsers (i.e. when no async downloads are needed). This recommendation can be ignored if you are only performing primitive queries (i.e. by #id, tag or .class) where querySelectorAll or Sizzle.js are ...