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| <!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>关系型查找标签</title> </head> <body> <div id="div1"> <div id="div2"> <div id="div3"> <div id="div4"></div> <div id="div5"></div> <div id="div6"> <div id="div7"></div> </div> </div> </div> </div> </body> </html> <script src="js/jquery-3.5.1.js" type="text/javascript" charset="utf-8"></script> <script type="text/javascript">
console.log($("#div6").parent()); console.log($("#div6").parents()); console.log($("#div6").parentsUntil("#div1")); console.log($("#div3").children()); console.log($("#div1").find("#div6")); console.log("div6的上一个兄弟", $("#div6").prev()); console.log("div6上面所有兄弟", $("#div6").prevAll()); console.log("div4的下一个兄弟", $("#div4").next()); console.log("div4以下所有兄弟", $("#div4").nextAll()); console.log($("#div5").siblings()); </script>
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