{"id":238589,"date":"2023-12-26T10:07:17","date_gmt":"2023-12-26T02:07:17","guid":{"rendered":"https:\/\/www.idc.net\/help\/238589\/"},"modified":"2023-12-26T10:07:17","modified_gmt":"2023-12-26T02:07:17","slug":"html%e4%bb%a3%e7%a0%81-nextid-%e4%b8%8b%e4%b8%80%e4%b8%aaid%e5%85%83%e7%b4%a0","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/238589\/","title":{"rendered":"Html\u4ee3\u7801: nextid &#8211; \u4e0b\u4e00\u4e2aID\u5143\u7d20"},"content":{"rendered":"<p>  <title id=\"html%e4%bb%a3%e7%a0%81-nextid-%e4%b8%8b%e4%b8%80%e4%b8%aaid%e5%85%83%e7%b4%a0-DAKUxnWaTv\">Html\u4ee3\u7801: nextid - \u4e0b\u4e00\u4e2aID\u5143\u7d20<\/title><\/p>\n<h1 id=\"html%e4%bb%a3%e7%a0%81-nextid-%e4%b8%8b%e4%b8%80%e4%b8%aaid%e5%85%83%e7%b4%a0-DAKUxnWaTv\">Html\u4ee3\u7801: nextid - \u4e0b\u4e00\u4e2aID\u5143\u7d20<\/h1>\n<h2 id=\"%e4%bb%80%e4%b9%88%e6%98%afnextid%ef%bc%9f-DAKUxnWaTv\">\u4ec0\u4e48\u662fnextid\uff1f<\/h2>\n<p>\u5728HTML\u4e2d\uff0c\u6bcf\u4e2a\u5143\u7d20\u90fd\u53ef\u4ee5\u6709\u4e00\u4e2a\u552f\u4e00\u7684ID\u5c5e\u6027\u3002\u8fd9\u4e2aID\u5c5e\u6027\u53ef\u4ee5\u7528\u6765\u6807\u8bc6\u548c\u64cd\u4f5c\u7279\u5b9a\u7684\u5143\u7d20\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u5728JavaScript\u4e2d\u83b7\u53d6\u4e0b\u4e00\u4e2aID\u5143\u7d20\u3002\u8fd9\u5c31\u662fnextid\u7684\u4f5c\u7528\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8nextid%ef%bc%9f-DAKUxnWaTv\">\u5982\u4f55\u4f7f\u7528nextid\uff1f<\/h2>\n<p>\u8981\u4f7f\u7528nextid\uff0c\u6211\u4eec\u9700\u8981\u4f7f\u7528JavaScript\u6765\u83b7\u53d6\u4e0b\u4e00\u4e2aID\u5143\u7d20\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre><code>\n    var currentId = \"element1\";\n    var nextId = \"element\" + (parseInt(currentId.substring(7)) + 1);\n    var nextElement = document.getElementById(nextId);\n  <\/code><\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u5b9a\u4e49\u4e86\u4e00\u4e2a\u5f53\u524dID\u5143\u7d20\u7684\u53d8\u91cfcurrentId\u3002\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528parseInt\u51fd\u6570\u5c06ID\u4e2d\u7684\u6570\u5b57\u63d0\u53d6\u51fa\u6765\uff0c\u5e76\u52a01\u5f97\u5230\u4e0b\u4e00\u4e2aID\u7684\u6570\u5b57\u3002\u6700\u540e\uff0c\u6211\u4eec\u5c06\u4e0b\u4e00\u4e2aID\u4e0e\u5b57\u7b26\u4e32\"element\"\u62fc\u63a5\u8d77\u6765\uff0c\u5f97\u5230\u5b8c\u6574\u7684\u4e0b\u4e00\u4e2aID\u3002\u6700\u540e\u4e00\u884c\u4ee3\u7801\u4f7f\u7528getElementById\u51fd\u6570\u83b7\u53d6\u5230\u4e0b\u4e00\u4e2aID\u5143\u7d20\u3002<\/p>\n<h2 id=\"%e7%a4%ba%e4%be%8b-DAKUxnWaTv\">\u793a\u4f8b<\/h2>\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528nextid\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\n    &lt;div id=\"element1\"&gt;\u5143\u7d201&lt;\/div&gt;\n    &lt;div id=\"element2\"&gt;\u5143\u7d202&lt;\/div&gt;\n    &lt;div id=\"element3\"&gt;\u5143\u7d203&lt;\/div&gt;\n\n    &lt;script&gt;\n      var currentId = \"element1\";\n      var nextId = \"element\" + (parseInt(currentId.substring(7)) + 1);\n      var nextElement = document.getElementById(nextId);\n      nextElement.style.color = \"red\";\n    &lt;\/script&gt;\n  <\/code><\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u6709\u4e09\u4e2a\u5e26\u6709\u4e0d\u540cID\u7684div\u5143\u7d20\u3002\u6211\u4eec\u4f7f\u7528nextid\u83b7\u53d6\u5230\u4e0b\u4e00\u4e2aID\u5143\u7d20\uff0c\u5e76\u5c06\u5176\u6587\u672c\u989c\u8272\u8bbe\u7f6e\u4e3a\u7ea2\u8272\u3002<\/p>\n<h2 id=\"%e6%80%bb%e7%bb%93-DAKUxnWaTv\">\u603b\u7ed3<\/h2>\n<p>\u901a\u8fc7\u4f7f\u7528nextid\uff0c\u6211\u4eec\u53ef\u4ee5\u5728JavaScript\u4e2d\u8f7b\u677e\u83b7\u53d6\u5230\u4e0b\u4e00\u4e2aID\u5143\u7d20\u3002\u8fd9\u5bf9\u4e8e\u52a8\u6001\u64cd\u4f5c\u548c\u5904\u7406HTML\u5143\u7d20\u975e\u5e38\u6709\u7528\u3002<\/p>\n<h3 id=\"%e9%a6%99%e6%b8%af%e6%9c%8d%e5%8a%a1%e5%99%a8%e9%a6%96%e9%80%89%e5%90%8e%e6%b5%aa%e4%ba%91-DAKUxnWaTv\">\u9999\u6e2f\u670d\u52a1\u5668\u9996\u9009\u540e\u6d6a\u4e91<\/h3>\n<p>\u540e\u6d6a\u4e91\u662f\u4e00\u5bb6\u4e13\u4e1a\u7684\u4e91\u8ba1\u7b97\u516c\u53f8\uff0c\u63d0\u4f9b\u9ad8\u8d28\u91cf\u7684\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u548c\u4e91\u670d\u52a1\u5668\u3002\u5982\u679c\u60a8\u6b63\u5728\u5bfb\u627e\u53ef\u9760\u7684\u9999\u6e2f\u670d\u52a1\u5668\u4f9b\u5e94\u5546\uff0c\u8bf7\u8003\u8651\u9009\u62e9\u540e\u6d6a\u4e91\u3002\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u8bbf\u95ee\u6211\u4eec\u7684<a href=\"https:\/\/idc.net\">\u5b98\u7f51<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Html\u4ee3\u7801: nextid - \u4e0b\u4e00\u4e2aID\u5143\u7d20 Html\u4ee3\u7801: nextid - \u4e0b\u4e00\u4e2aID\u5143\u7d20 \u4ec0\u4e48\u662fne [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[197854],"tags":[],"class_list":["post-238589","post","type-post","status-publish","format-standard","hentry","category-html"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/238589","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=238589"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/238589\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=238589"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=238589"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=238589"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}