要使用jQuery选择与给定ID匹配的单个元素,请使用元素ID选择器。就是这样,
$('#elementid')
您可以尝试运行以下代码,以学习如何使用jQuery选择与给定ID匹配的单个元素-
<html> <head> <title>Selector Example</title> <script src = "https://cdn.staticfile.org/jquery/3.2.1/jquery.min.js"></script> <script> $(document).ready(function() { /* This would select second division only*/ $("#div2").css("background-color", "yellow"); }); </script> </head> <body> <div class = "demo1" id = "div1"> <p>This is first division of the DOM.</p> </div> <div class = "demo2" id = "div2"> <p>This is second division of the DOM.</p> </div> <div class = "demo3" id = "div3"> <p>This is third division of the DOM</p> </div> </body> </html>