{"id":1269,"date":"2024-11-10T15:37:02","date_gmt":"2024-11-10T07:37:02","guid":{"rendered":"https:\/\/fwq.ai\/blog\/1269\/"},"modified":"2024-11-10T15:37:02","modified_gmt":"2024-11-10T07:37:02","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8-javascript-%e4%bb%a3%e7%a0%81%e5%88%a4%e6%96%ad%e5%ad%97%e7%ac%a6%e4%b8%b2%e6%98%af%e5%90%a6%e5%8c%85%e5%90%ab%e6%95%b0%e7%bb%84%e5%85%83%e7%b4%a0%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/1269\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528 JavaScript \u4ee3\u7801\u5224\u65ad\u5b57\u7b26\u4e32\u662f\u5426\u5305\u542b\u6570\u7ec4\u5143\u7d20\uff1f"},"content":{"rendered":"

\"\u5982\u4f55\u4f7f\u7528<\/p>\n

\u7528\u66f4\u7b80\u6d01\u7684 js \u4ee3\u7801\u5224\u65ad\u5b57\u7b26\u4e32\u5305\u542b\u6570\u7ec4\u5143\u7d20<\/strong><\/p>\n

\u5f53\u9700\u8981\u5224\u65ad\u4e00\u4e2a\u5b57\u7b26\u4e32\u662f\u5426\u5305\u542b\u67d0\u4e2a\u6570\u7ec4\u4e2d\u7684\u4efb\u4f55\u4e00\u4e2a\u5143\u7d20\u65f6\uff0c\u4ee5\u4e0a\u63d0\u5230\u7684\u4e11\u964b\u4ee3\u7801\u5e76\u4e0d\u4f18\u96c5\u3002\u6211\u4eec\u53ef\u4ee5\u7528\u66f4\u7b80\u6d01\u7684\u4ee3\u7801\u5b9e\u73b0\u8fd9\u4e2a\u9700\u6c42\u3002<\/p>\n

\u6570\u7ec4\u8fc7\u6ee4<\/strong><\/p>\n

\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u7684 filter() \u65b9\u6cd5\u6765\u8fc7\u6ee4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u5176\u4e2d\u5305\u542b\u6ee1\u8db3\u7ed9\u5b9a\u6761\u4ef6\u7684\u5143\u7d20\u3002<\/p>\n

\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n

\u5728\u6211\u4eec\u7684\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 filter() \u6765\u68c0\u67e5\u5b57\u7b26\u4e32 title \u662f\u5426\u5305\u542b\u6570\u7ec4\u4e2d\u4efb\u4f55\u5143\u7d20\u3002\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n

const contains = ['A','B','C','D','E','F'].filter(n => title.indexOf(n) > -1).length > 0;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u89e3\u91ca<\/strong><\/p>\n
    \n
  • [‘a’,’b’,’c’,’d’,’e’,’f’] \u662f\u6211\u4eec\u60f3\u8981\u68c0\u67e5\u7684\u5143\u7d20\u6570\u7ec4\u3002<\/li>\n
  • filter(n => title.indexof(n) > -1) \uff1a\u8fc7\u6ee4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u5982\u679c title \u4e2d\u5305\u542b\u5143\u7d20 n\uff0c\u5219\u8fd4\u56de true\u3002<\/li>\n
  • .length > 0\uff1a\u68c0\u67e5\u8fc7\u6ee4\u540e\u6570\u7ec4\u7684\u957f\u5ea6\u662f\u5426\u5927\u4e8e 0\uff0c\u5982\u679c\u5927\u4e8e 0\uff0c\u5219\u8868\u793a title \u5305\u542b\u6570\u7ec4\u4e2d\u7684\u81f3\u5c11\u4e00\u4e2a\u5143\u7d20\u3002<\/li>\n<\/ul>\n
    \u901a\u8fc7\u8fd9\u79cd\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u7b80\u5355\u4e14\u9ad8\u6548\u5730\u5224\u65ad\u4e00\u4e2a\u5b57\u7b26\u4e32\u662f\u5426\u5305\u542b\u6570\u7ec4\u4e2d\u7684\u4efb\u4f55\u5143\u7d20\u3002<\/p>\n
    \u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u4f7f\u7528 JavaScript \u4ee3\u7801\u5224\u65ad\u5b57\u7b26\u4e32\u662f\u5426\u5305\u542b\u6570\u7ec4\u5143\u7d20\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":"
    \u7528\u66f4\u7b80\u6d01\u7684 js \u4ee3\u7801\u5224\u65ad\u5b57\u7b26\u4e32\u5305\u542b\u6570\u7ec4\u5143\u7d20 \u5f53\u9700\u8981\u5224\u65ad\u4e00\u4e2a\u5b57\u7b26\u4e32\u662f\u5426\u5305\u542b\u67d0\u4e2a\u6570\u7ec4\u4e2d\u7684\u4efb\u4f55\u4e00\u4e2a\u5143\u7d20\u65f6\uff0c\u4ee5\u4e0a\u63d0\u5230\u7684\u4e11\u964b\u4ee3\u7801\u5e76\u4e0d\u4f18\u96c5\u3002\u6211\u4eec\u53ef\u4ee5\u7528\u66f4\u7b80\u6d01\u7684\u4ee3\u7801\u5b9e\u73b0\u8fd9\u4e2a\u9700\u6c42\u3002 \u6570\u7ec4\u8fc7\u6ee4 \u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u7684 filter() \u65b9\u6cd5\u6765\u8fc7\u6ee4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u5176\u4e2d\u5305\u542b\u6ee1\u8db3\u7ed9\u5b9a\u6761\u4ef6\u7684\u5143\u7d20\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u5728\u6211\u4eec\u7684\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 filter() \u6765\u68c0\u67e5\u5b57\u7b26\u4e32 title \u662f\u5426\u5305\u542b\u6570\u7ec4\u4e2d\u4efb\u4f55\u5143\u7d20\u3002\u4ee3\u7801\u5982\u4e0b\uff1a const contains = [‘A’,’B’,’C’,’D’,’E’,’F’].filter(n => title.indexOf(n) > -1).length > 0; \u767b\u5f55\u540e\u590d\u5236 \u89e3\u91ca [‘a’,’b’,’c’,’d’,’e’,’f’] \u662f\u6211\u4eec\u60f3\u8981\u68c0\u67e5\u7684\u5143\u7d20\u6570\u7ec4\u3002 filter(n => title.indexof(n) > -1) \uff1a\u8fc7\u6ee4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u5982\u679c title \u4e2d\u5305\u542b\u5143\u7d20 n\uff0c\u5219\u8fd4\u56de true\u3002 .length > 0\uff1a\u68c0\u67e5\u8fc7\u6ee4\u540e\u6570\u7ec4\u7684\u957f\u5ea6\u662f\u5426\u5927\u4e8e 0\uff0c\u5982\u679c\u5927\u4e8e 0\uff0c\u5219\u8868\u793a title \u5305\u542b\u6570\u7ec4\u4e2d\u7684\u81f3\u5c11\u4e00\u4e2a\u5143\u7d20\u3002 \u901a\u8fc7\u8fd9\u79cd\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u7b80\u5355\u4e14\u9ad8\u6548\u5730\u5224\u65ad\u4e00\u4e2a\u5b57\u7b26\u4e32\u662f\u5426\u5305\u542b\u6570\u7ec4\u4e2d\u7684\u4efb\u4f55\u5143\u7d20\u3002 \u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u4f7f\u7528 JavaScript \u4ee3\u7801\u5224\u65ad\u5b57\u7b26\u4e32\u662f\u5426\u5305\u542b\u6570\u7ec4\u5143\u7d20\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},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-1269","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/1269","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=1269"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/1269\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=1269"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=1269"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=1269"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}