{"id":61861,"date":"2024-10-13T14:16:44","date_gmt":"2024-10-13T06:16:44","guid":{"rendered":"https:\/\/server.hk\/cnblog\/61861\/"},"modified":"2024-10-13T14:16:45","modified_gmt":"2024-10-13T06:16:45","slug":"javascript%e6%93%8d%e4%bd%9c%ef%bc%9a%e6%b8%85%e7%a9%ba%e8%a1%a8%e6%a0%bc%e4%b8%ad%e6%95%b8%e6%93%9a%e7%9a%84%e6%96%b9%e6%b3%95-js%e6%80%8e%e9%ba%bc%e6%b8%85%e7%a9%ba%e8%a1%a8%e6%a0%bc%e7%9a%84","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/61861\/","title":{"rendered":"JavaScript\u64cd\u4f5c\uff1a\u6e05\u7a7a\u8868\u683c\u4e2d\u6578\u64da\u7684\u65b9\u6cd5 (js\u600e\u9ebc\u6e05\u7a7a\u8868\u683c\u7684\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"javascript%e6%93%8d%e4%bd%9c%ef%bc%9a%e6%b8%85%e7%a9%ba%e8%a1%a8%e6%a0%bc%e4%b8%ad%e6%95%b8%e6%93%9a%e7%9a%84%e6%96%b9%e6%b3%95-TWRuJzoQAI\">JavaScript\u64cd\u4f5c\uff1a\u6e05\u7a7a\u8868\u683c\u4e2d\u6578\u64da\u7684\u65b9\u6cd5<\/h1>\n<p>\u5728\u7db2\u9801\u958b\u767c\u4e2d\uff0c\u8868\u683c\u662f\u4e00\u7a2e\u5e38\u898b\u7684\u6578\u64da\u5c55\u793a\u65b9\u5f0f\u3002\u96a8\u8457\u7528\u6236\u9700\u6c42\u7684\u8b8a\u5316\uff0c\u958b\u767c\u8005\u7d93\u5e38\u9700\u8981\u6e05\u7a7a\u8868\u683c\u4e2d\u7684\u6578\u64da\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528JavaScript\u4f86\u6e05\u7a7a\u8868\u683c\u4e2d\u7684\u6578\u64da\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u4ee3\u78bc\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e6%b8%85%e7%a9%ba%e8%a1%a8%e6%a0%bc%e6%95%b8%e6%93%9a-TWRuJzoQAI\">\u70ba\u4ec0\u9ebc\u9700\u8981\u6e05\u7a7a\u8868\u683c\u6578\u64da<\/h2>\n<p>\u6e05\u7a7a\u8868\u683c\u6578\u64da\u7684\u9700\u6c42\u53ef\u80fd\u6e90\u65bc\u591a\u7a2e\u60c5\u6cc1\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>\u7528\u6236\u63d0\u4ea4\u8868\u55ae\u5f8c\u9700\u8981\u66f4\u65b0\u8868\u683c\u5167\u5bb9\u3002<\/li>\n<li>\u9700\u8981\u91cd\u65b0\u52a0\u8f09\u6578\u64da\u4ee5\u986f\u793a\u6700\u65b0\u4fe1\u606f\u3002<\/li>\n<li>\u7528\u6236\u9078\u64c7\u4e0d\u540c\u7684\u7be9\u9078\u689d\u4ef6\u6642\uff0c\u8868\u683c\u9700\u8981\u6e05\u7a7a\u4ee5\u986f\u793a\u65b0\u7684\u7d50\u679c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8javascript%e6%b8%85%e7%a9%ba%e8%a1%a8%e6%a0%bc%e6%95%b8%e6%93%9a%e7%9a%84%e6%96%b9%e6%b3%95-TWRuJzoQAI\">\u4f7f\u7528JavaScript\u6e05\u7a7a\u8868\u683c\u6578\u64da\u7684\u65b9\u6cd5<\/h2>\n<p>\u6e05\u7a7a\u8868\u683c\u6578\u64da\u7684\u57fa\u672c\u601d\u8def\u662f\u64cd\u4f5cDOM\uff08\u6587\u6a94\u5c0d\u8c61\u6a21\u578b\uff09\uff0c\u901a\u904eJavaScript\u4f86\u522a\u9664\u8868\u683c\u4e2d\u7684\u884c\u3002\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"%e6%96%b9%e6%b3%95%e4%b8%80%ef%bc%9a%e4%bd%bf%e7%94%a8innerhtml%e5%b1%ac%e6%80%a7-TWRuJzoQAI\">\u65b9\u6cd5\u4e00\uff1a\u4f7f\u7528innerHTML\u5c6c\u6027<\/h3>\n<p>\u6700\u7c21\u55ae\u7684\u65b9\u6cd5\u662f\u5c07\u8868\u683c\u7684innerHTML\u5c6c\u6027\u8a2d\u7f6e\u70ba\u7a7a\u5b57\u7b26\u4e32\u3002\u9019\u6a23\u53ef\u4ee5\u5feb\u901f\u6e05\u7a7a\u6574\u500b\u8868\u683c\u7684\u5167\u5bb9\u3002<\/p>\n<pre><code>document.getElementById(\"myTable\").innerHTML = \"\";<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u6703\u5c07ID\u70bamyTable\u7684\u8868\u683c\u5167\u5bb9\u6e05\u7a7a\uff0c\u4f46\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u9019\u6a23\u6703\u522a\u9664\u8868\u683c\u7684\u6a19\u984c\u884c\u3002<\/p>\n<h3 id=\"%e6%96%b9%e6%b3%95%e4%ba%8c%ef%bc%9a%e9%80%90%e8%a1%8c%e5%88%aa%e9%99%a4-TWRuJzoQAI\">\u65b9\u6cd5\u4e8c\uff1a\u9010\u884c\u522a\u9664<\/h3>\n<p>\u5982\u679c\u5e0c\u671b\u4fdd\u7559\u8868\u683c\u7684\u6a19\u984c\u884c\uff0c\u53ef\u4ee5\u9010\u884c\u522a\u9664\u8868\u683c\u4e2d\u7684\u6578\u64da\u884c\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nvar table = document.getElementById(\"myTable\");\nvar rowCount = table.rows.length;\n\nfor (var i = rowCount - 1; i &gt; 0; i--) {\n    table.deleteRow(i);\n}\n<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5f9e\u8868\u683c\u7684\u6700\u5f8c\u4e00\u884c\u958b\u59cb\uff0c\u9010\u884c\u522a\u9664\uff0c\u76f4\u5230\u53ea\u5269\u4e0b\u6a19\u984c\u884c\u3002<\/p>\n<h3 id=\"%e6%96%b9%e6%b3%95%e4%b8%89%ef%bc%9a%e4%bd%bf%e7%94%a8jquery%e6%b8%85%e7%a9%ba%e8%a1%a8%e6%a0%bc-TWRuJzoQAI\">\u65b9\u6cd5\u4e09\uff1a\u4f7f\u7528jQuery\u6e05\u7a7a\u8868\u683c<\/h3>\n<p>\u5982\u679c\u4f60\u7684\u9805\u76ee\u4e2d\u4f7f\u7528\u4e86jQuery\uff0c\u53ef\u4ee5\u4f7f\u7528\u66f4\u7c21\u6f54\u7684\u8a9e\u6cd5\u4f86\u6e05\u7a7a\u8868\u683c\uff1a<\/p>\n<pre><code>$(\"#myTable tbody\").empty();<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u6703\u6e05\u7a7a\u8868\u683c\u4e2dtbody\u90e8\u5206\u7684\u6240\u6709\u884c\uff0c\u4fdd\u7559\u8868\u683c\u7684\u7d50\u69cb\u3002<\/p>\n<h2 id=\"%e6%b8%85%e7%a9%ba%e8%a1%a8%e6%a0%bc%e5%be%8c%e7%9a%84%e6%95%b8%e6%93%9a%e6%9b%b4%e6%96%b0-TWRuJzoQAI\">\u6e05\u7a7a\u8868\u683c\u5f8c\u7684\u6578\u64da\u66f4\u65b0<\/h2>\n<p>\u5728\u6e05\u7a7a\u8868\u683c\u5f8c\uff0c\u901a\u5e38\u9700\u8981\u91cd\u65b0\u586b\u5145\u6578\u64da\u3002\u9019\u53ef\u4ee5\u901a\u904eAJAX\u8acb\u6c42\u4f86\u7372\u53d6\u6700\u65b0\u6578\u64da\uff0c\u7136\u5f8c\u5c07\u5176\u63d2\u5165\u5230\u8868\u683c\u4e2d\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nfunction updateTable() {\n    \/\/ \u6e05\u7a7a\u8868\u683c\n    var table = document.getElementById(\"myTable\");\n    var rowCount = table.rows.length;\n    for (var i = rowCount - 1; i &gt; 0; i--) {\n        table.deleteRow(i);\n    }\n\n    \/\/ \u5047\u8a2d\u5f9e\u4f3a\u670d\u5668\u7372\u53d6\u6578\u64da\n    var newData = [\n        [\"\u6578\u64da1\", \"\u6578\u64da2\", \"\u6578\u64da3\"],\n        [\"\u6578\u64da4\", \"\u6578\u64da5\", \"\u6578\u64da6\"]\n    ];\n\n    \/\/ \u586b\u5145\u65b0\u6578\u64da\n    newData.forEach(function(rowData) {\n        var row = table.insertRow();\n        rowData.forEach(function(cellData) {\n            var cell = row.insertCell();\n            cell.textContent = cellData;\n        });\n    });\n}\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-TWRuJzoQAI\">\u7e3d\u7d50<\/h2>\n<p>\u6e05\u7a7a\u8868\u683c\u4e2d\u7684\u6578\u64da\u662f\u7db2\u9801\u958b\u767c\u4e2d\u4e00\u500b\u5e38\u898b\u7684\u9700\u6c42\uff0c\u7121\u8ad6\u662f\u4f7f\u7528\u539f\u751fJavaScript\u9084\u662fjQuery\uff0c\u90fd\u53ef\u4ee5\u8f15\u9b06\u5be6\u73fe\u3002\u901a\u904e\u4e0a\u8ff0\u65b9\u6cd5\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u65b9\u5f0f\u4f86\u6e05\u7a7a\u548c\u66f4\u65b0\u8868\u683c\u6578\u64da\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u7db2\u9801\u61c9\u7528\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22JavaScript\u64cd\u4f5c\uff0c\u5b78\u7fd2\u5982\u4f55\u6709\u6548\u6e05\u7a7a\u8868\u683c\u4e2d\u7684\u6578\u64da\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u7c21\u5316\u958b\u767c\u6d41\u7a0b\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-61861","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61861","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=61861"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61861\/revisions"}],"predecessor-version":[{"id":61862,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61861\/revisions\/61862"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=61861"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=61861"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=61861"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}