{"id":1742,"date":"2024-11-10T17:46:40","date_gmt":"2024-11-10T09:46:40","guid":{"rendered":"https:\/\/fwq.ai\/blog\/1742\/"},"modified":"2024-11-10T17:46:40","modified_gmt":"2024-11-10T09:46:40","slug":"javascript-%e4%b8%89%e5%85%83%e6%93%8d%e4%bd%9c%e7%ac%a6%e6%8f%ad%e7%a7%98%ef%bc%9adt-%e7%82%b9%e5%87%bb%e4%ba%8b%e4%bb%b6%e5%a6%82%e4%bd%95%e6%8e%a7%e5%88%b6-dd-%e7%9a%84%e6%98%be%e7%a4%ba%e4%b8%8e","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/1742\/","title":{"rendered":"JavaScript \u4e09\u5143\u64cd\u4f5c\u7b26\u63ed\u79d8\uff1adt \u70b9\u51fb\u4e8b\u4ef6\u5982\u4f55\u63a7\u5236 dd \u7684\u663e\u793a\u4e0e\u9690\u85cf\uff1f"},"content":{"rendered":"

\"JavaScript<\/p>\n

\u4e09\u5143\u64cd\u4f5c\u7b26\u63ed\u79d8\uff1ajs\u4e2d\u5e38\u89c1\u8bed\u6cd5\u89e3\u6790<\/strong><\/p>\n

\u5728\u7f16\u5199javascript\u4ee3\u7801\u65f6\uff0c\u6211\u4eec\u7ecf\u5e38\u4f1a\u9047\u5230\u7b80\u6d01\u4f46\u4ee4\u4eba\u56f0\u60d1\u7684\u4e09\u5143\u64cd\u4f5c\u7b26\u3002\u4e0b\u9762\u6211\u4eec\u5c31\u6df1\u5165\u89e3\u8bfb\u8fd9\u6bb5\u4ee3\u7801\uff0c\u4e86\u89e3\u5176\u80cc\u540e\u7684\u542b\u4e49\uff1a<\/p>\n

dt.click(function () { dd.is(\":hidden\") ? _show() : _hide(); });<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u9996\u5148\uff0c\u8fd9\u6bb5\u4ee3\u7801\u662f\u4e00\u4e2a\u4e8b\u4ef6\u76d1\u542c\u5668\uff0c\u5f53\u5143\u7d20 dt \u88ab\u70b9\u51fb\u65f6\uff0c\u5c06\u6267\u884c\u4e00\u4e2a\u533f\u540d\u51fd\u6570\u3002\u533f\u540d\u51fd\u6570\u5185\u90e8\u4f7f\u7528\u4e09\u5143\u64cd\u4f5c\u7b26\uff1a<\/p>\n
dd.is(\":hidden\") ? _show() : _hide();<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8fd9\u4e2a\u4e09\u5143\u64cd\u4f5c\u7b26\u7684\u4f5c\u7528\u7b49\u540c\u4e8e\u4e00\u4e2a if-else \u8bed\u53e5\uff1a<\/p>\n
\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
if (dd.is(\":hidden\")) {\n  _show();\n} else {\n  _hide();\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8be5\u8bed\u53e5\u68c0\u67e5\u5143\u7d20 dd \u662f\u5426\u9690\u85cf\uff08\u5373\u662f\u5426\u5177\u6709 “:hidden” \u9009\u62e9\u5668\uff09\uff0c\u5982\u679c\u662f\uff0c\u5219\u8c03\u7528 _show() \u51fd\u6570\uff0c\u5426\u5219\u8c03\u7528 _hide() \u51fd\u6570\u3002<\/p>\n
\u6240\u4ee5\uff0c\u8fd9\u6bb5\u4ee3\u7801\u7684\u603b\u4f53\u542b\u4e49\u662f\uff1a\u5f53\u5143\u7d20 dt \u88ab\u70b9\u51fb\u65f6\uff0c\u5c06\u68c0\u67e5\u5143\u7d20 dd \u7684\u9690\u85cf\u72b6\u6001\uff0c\u5e76\u6839\u636e\u9700\u8981\u663e\u793a\u6216\u9690\u85cf\u5b83\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662fJavaScript \u4e09\u5143\u64cd\u4f5c\u7b26\u63ed\u79d8\uff1adt \u5982\u4f55\u63a7\u5236 dd \u7684\u663e\u793a\u4e0e\u9690\u85cf\uff1f\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":"
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