{"id":1850,"date":"2024-11-10T11:36:56","date_gmt":"2024-11-10T03:36:56","guid":{"rendered":"https:\/\/fwq.ai\/blog\/1850\/"},"modified":"2024-11-10T11:36:56","modified_gmt":"2024-11-10T03:36:56","slug":"javascript-%e4%bb%a3%e7%a0%81%e8%a7%a3%e6%9e%90%ef%bc%9a%e4%b8%89%e5%85%83%e8%a1%a8%e8%be%be%e5%bc%8f%e5%9c%a8%e4%ba%8b%e4%bb%b6%e5%a4%84%e7%90%86%e4%b8%ad%e7%9a%84%e4%bd%9c%e7%94%a8%e6%98%af%e4%bb%80","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/1850\/","title":{"rendered":"JavaScript \u4ee3\u7801\u89e3\u6790\uff1a\u4e09\u5143\u8868\u8fbe\u5f0f\u5728\u4e8b\u4ef6\u5904\u7406\u4e2d\u7684\u4f5c\u7528\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"

\"JavaScript<\/p>\n

\u6c42\u52a9\uff01\u4e0d\u89e3\u8fd9\u4e32 javascript \u4ee3\u7801\uff0c\u5927\u795e\u4eec\u6307\u70b9\u4e00\u4e0b<\/strong><\/p>\n

\u672c\u6587\u4e2d\u9047\u5230\u4e00\u4e2a javascript \u4ee3\u7801\u7247\u6bb5\uff0c\u4ee4\u4eba\u56f0\u60d1\u4e0d\u89e3\u3002\u4e0b\u9762\u662f\u5177\u4f53\u4ee3\u7801\uff1a<\/p>\n

dt.click(function () { dd.is(\":hidden\") ? _show() : _hide(); });<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u95ee\u9898\u63cf\u8ff0\uff1a\u6211\u65e0\u6cd5\u7406\u89e3\u8fd9\u6bb5\u4ee3\u7801\u7684\u542b\u4e49\uff0c\u5b83\u770b\u8d77\u6765\u50cf\u662f\u4e00\u4e2a\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\uff0c\u4f46\u6211\u4e0d\u786e\u5b9a\u4e09\u5143\u8868\u8fbe\u5f0f\u7684\u4f5c\u7528\u662f\u4ec0\u4e48\u3002<\/p>\n
\u89e3\u7b54\uff1a<\/strong><\/p>\n
\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
\u4e09\u5143\u8868\u8fbe\u5f0f\u662f javascript \u4e2d\u7684\u4e00\u6761\u5feb\u6377\u65b9\u5f0f\uff0c\u7528\u4e8e\u7f16\u5199\u6761\u4ef6\u8bed\u53e5\u3002\u5176\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n
condition ? trueexpression : falseexpression;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4e2d\uff0ccondition \u662f\u4e00\u4e2a\u5e03\u5c14\u8868\u8fbe\u5f0f\uff0ctrueexpression \u548c falseexpression \u662f\u5728\u6761\u4ef6\u4e3a\u771f\u6216\u5047\u65f6\u6267\u884c\u7684\u8868\u8fbe\u5f0f\u3002<\/p>\n
\u5728\u672c\u4f8b\u4e2d\uff0c\u4e09\u5143\u8868\u8fbe\u5f0f\u7528\u4e8e\u786e\u5b9a\u662f\u5426\u8c03\u7528 _show() \u6216 _hide() \u51fd\u6570\uff1a<\/p>\n
dd.is(\":hidden\") ? _show() : _hide();<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5b83\u7b49\u540c\u4e8e\u4ee5\u4e0b if-else \u8bed\u53e5\uff1a<\/p>\n
if (dd.is(\":hidden\")) {\n  _show();\n} else {\n  _hide();\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5f53 dd \u9690\u85cf (dd.is(“:hidden”) \u4e3a\u771f) \u65f6\uff0c\u5c06\u8c03\u7528 _show() \u51fd\u6570\u3002\u5426\u5219\uff0c\u5c06\u8c03\u7528 _hide() \u51fd\u6570\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662fJavaScript \u4ee3\u7801\u89e3\u6790\uff1a\u4e09\u5143\u8868\u8fbe\u5f0f\u5728\u4e8b\u4ef6\u5904\u7406\u4e2d\u7684\u4f5c\u7528\u662f\u4ec0\u4e48\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":"
\u6c42\u52a9\uff01\u4e0d\u89e3\u8fd9\u4e32 javascript \u4ee3\u7801\uff0c\u5927\u795e\u4eec\u6307\u70b9\u4e00\u4e0b \u672c\u6587\u4e2d\u9047\u5230\u4e00\u4e2a javascript \u4ee3\u7801\u7247\u6bb5\uff0c\u4ee4\u4eba\u56f0\u60d1\u4e0d\u89e3\u3002\u4e0b\u9762\u662f\u5177\u4f53\u4ee3\u7801\uff1a dt.click(function () { dd.is(“:hidden”) ? _show() : _hide(); }); \u767b\u5f55\u540e\u590d\u5236 \u95ee\u9898\u63cf\u8ff0\uff1a\u6211\u65e0\u6cd5\u7406\u89e3\u8fd9\u6bb5\u4ee3\u7801\u7684\u542b\u4e49\uff0c\u5b83\u770b\u8d77\u6765\u50cf\u662f\u4e00\u4e2a\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\uff0c\u4f46\u6211\u4e0d\u786e\u5b9a\u4e09\u5143\u8868\u8fbe\u5f0f\u7684\u4f5c\u7528\u662f\u4ec0\u4e48\u3002 \u89e3\u7b54\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u4e09\u5143\u8868\u8fbe\u5f0f\u662f javascript \u4e2d\u7684\u4e00\u6761\u5feb\u6377\u65b9\u5f0f\uff0c\u7528\u4e8e\u7f16\u5199\u6761\u4ef6\u8bed\u53e5\u3002\u5176\u8bed\u6cd5\u5982\u4e0b\uff1a condition ? trueexpression : falseexpression; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff0ccondition \u662f\u4e00\u4e2a\u5e03\u5c14\u8868\u8fbe\u5f0f\uff0ctrueexpression \u548c falseexpression \u662f\u5728\u6761\u4ef6\u4e3a\u771f\u6216\u5047\u65f6\u6267\u884c\u7684\u8868\u8fbe\u5f0f\u3002 \u5728\u672c\u4f8b\u4e2d\uff0c\u4e09\u5143\u8868\u8fbe\u5f0f\u7528\u4e8e\u786e\u5b9a\u662f\u5426\u8c03\u7528 _show() \u6216 _hide() \u51fd\u6570\uff1a dd.is(“:hidden”) ? _show() : _hide(); \u767b\u5f55\u540e\u590d\u5236 \u5b83\u7b49\u540c\u4e8e\u4ee5\u4e0b if-else \u8bed\u53e5\uff1a if (dd.is(“:hidden”)) { _show(); } else { _hide(); […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-1850","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/1850","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=1850"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/1850\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=1850"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=1850"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=1850"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}