{"id":3495,"date":"2024-11-10T11:22:34","date_gmt":"2024-11-10T03:22:34","guid":{"rendered":"https:\/\/fwq.ai\/blog\/3495\/"},"modified":"2024-11-10T11:22:34","modified_gmt":"2024-11-10T03:22:34","slug":"js%e5%a6%82%e4%bd%95%e5%88%b7%e6%96%b0td","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/3495\/","title":{"rendered":"js\u5982\u4f55\u5237\u65b0td"},"content":{"rendered":"<blockquote><p>\n  \u5237\u65b0 td\uff08\u8868\u683c\u6570\u636e\uff09\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u5305\u62ec\u4f7f\u7528 innerhtml\u3001textcontent\u3001createelement \u548c replacechild\u3002\u5177\u4f53\u9009\u62e9\u54ea\u79cd\u65b9\u6cd5\u53d6\u51b3\u4e8e\u5177\u4f53\u9700\u6c42\uff0c\u4f8b\u5982\u662f\u5426\u53ea\u9700\u66f4\u6539\u6587\u672c\u5185\u5bb9\u6216\u66ff\u6362\u6574\u4e2a td \u5143\u7d20\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/08\/2024110813451938238.jpg\" class=\"aligncenter\" title=\"js\u5982\u4f55\u5237\u65b0td\u63d2\u56fe\" alt=\"js\u5982\u4f55\u5237\u65b0td\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5728 JavaScript \u4e2d\u5237\u65b0 TD<\/strong><\/p>\n<p>\u5728 JavaScript \u4e2d\u5237\u65b0 TD\uff08\u8868\u683c\u6570\u636e\uff09\u7684\u65b9\u6cd5\u6709\u51e0\u79cd\uff1a<\/p>\n<p><strong>1. \u4f7f\u7528 innerHTML<\/strong><\/p>\n<p>innerHTML \u5c5e\u6027\u5141\u8bb8\u4f60\u8bbe\u7f6e\u6216\u83b7\u53d6\u5143\u7d20\u7684 HTML \u5185\u5bb9\u3002\u8981\u5237\u65b0 TD\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n<pre>td.innerHTML = \"\u65b0\u5185\u5bb9\";<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p><strong>2. \u4f7f\u7528 textContent<\/strong><\/p>\n<p>textContent \u5c5e\u6027\u8fd4\u56de\u6216\u8bbe\u7f6e\u5143\u7d20\u7684\u6587\u672c\u5185\u5bb9\u3002\u8981\u5237\u65b0 TD\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n<pre>td.textContent = \"\u65b0\u5185\u5bb9\";<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p><strong>3. \u4f7f\u7528 createElement \u548c appendChild<\/strong><\/p>\n<p>\u4f60\u8fd8\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u65b0\u7684 TD \u5143\u7d20\u5e76\u5c06\u5176\u9644\u52a0\u5230\u73b0\u6709\u8868\u4e2d\u3002\u8fd9\u5c06\u66ff\u6362\u65e7\u7684 TD\uff1a<\/p>\n<pre>var newTd = document.createElement(\"td\");\nnewTd.innerHTML = \"\u65b0\u5185\u5bb9\";\nparentNode.appendChild(newTd);<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p><strong>4. \u4f7f\u7528 replaceChild<\/strong><\/p>\n<p>replaceChild \u65b9\u6cd5\u5141\u8bb8\u4f60\u7528\u4e00\u4e2a\u65b0\u5143\u7d20\u66ff\u6362\u73b0\u6709\u5143\u7d20\u3002\u8981\u5237\u65b0 TD\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n<pre>parentNode.replaceChild(newTd, oldTd);<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p><strong>\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5<\/strong><\/p>\n<p>\u9009\u62e9\u54ea\u79cd\u65b9\u6cd5\u53d6\u51b3\u4e8e\u4f60\u7684\u5177\u4f53\u9700\u6c42\u3002\u5982\u679c\u53ea\u9700\u8981\u66f4\u6539 TD \u7684\u6587\u672c\u5185\u5bb9\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528 innerHTML \u6216 textContent\u3002\u5982\u679c\u4f60\u9700\u8981\u66ff\u6362\u6574\u4e2a TD \u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528 createElement \u548c appendChild \u6216 replaceChild\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjs\u5982\u4f55\u5237\u65b0td\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5237\u65b0 td\uff08\u8868\u683c\u6570\u636e\uff09\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u5305\u62ec\u4f7f\u7528 innerhtml\u3001textcontent\u3001createelement \u548c replacechild\u3002\u5177\u4f53\u9009\u62e9\u54ea\u79cd\u65b9\u6cd5\u53d6\u51b3\u4e8e\u5177\u4f53\u9700\u6c42\uff0c\u4f8b\u5982\u662f\u5426\u53ea\u9700\u66f4\u6539\u6587\u672c\u5185\u5bb9\u6216\u66ff\u6362\u6574\u4e2a td \u5143\u7d20\u3002 \u5982\u4f55\u5728 JavaScript \u4e2d\u5237\u65b0 TD \u5728 JavaScript \u4e2d\u5237\u65b0 TD\uff08\u8868\u683c\u6570\u636e\uff09\u7684\u65b9\u6cd5\u6709\u51e0\u79cd\uff1a 1. \u4f7f\u7528 innerHTML innerHTML \u5c5e\u6027\u5141\u8bb8\u4f60\u8bbe\u7f6e\u6216\u83b7\u53d6\u5143\u7d20\u7684 HTML \u5185\u5bb9\u3002\u8981\u5237\u65b0 TD\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a td.innerHTML = &#8220;\u65b0\u5185\u5bb9&#8221;; 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