添加的版本:1.0jQuery( "#id" ) id:要搜索的 ID,通过元素的 id 属性指定。 对于id 选择器,jQuery 使用 JavaScript 函数document.getElementById(),非常高效。当另一个选择器附加到 id 选择器时,例如h2#pageTitle,jQuery 在将元素识别为匹配之前执行额外的检查。 使用id 选择器作为参数调用j
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....
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 ...
$("#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,...
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 = /...
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 ...
1 $( ".selector" ).on( "autocompletechange", function( event, ui ) {} ); close( event, ui )Type: autocompleteclose Triggered when the menu is hidden. Not every close event will be accompanied by a change event. event Type: Event ui Type: Object Note: The ui object is empty...
Selector: A selector specifying which element to append the helper to. String: The string "parent" will cause the helper to be a sibling of the sortable item. Code examples: Initialize the sortable with the appendTo option specified: 1 2 3 $( ".selector" ).sortable({ appendTo: docum...