运行 ❯
获取您的
自有
网站
×
更改方向
保存代码
更改主题，暗/亮
前往 Spaces
<!DOCTYPE html> <html> <head> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.7.1/jquery.min.js"></script> <script> $(document).ready(function(){ $("div").prevAll("p").css("background-color", "yellow"); }); </script> </head> <body> <h1>What will $("div").prevAll("p") select?</h1> <p>This is a p element</p> <h2>This is a heading</h2> <div style="border:1px solid black;padding:10px;"> <p>This is a p element inside a div element (will not be selected, because it does not share the same parent as the other p elements that are selected in this example).</p> </div> <p>This is a p element.</p> <p>This is another p element.</p> <div style="border:1px solid black;padding:10px;">This is a div element (the selection of sibling elements starts from this div).</div> <p>This is a p element (will not be selected, because it is not the previous sibling element of div. It is the <strong>next</strong> sibling element.)</p> </body> </html>
