{"id":3373,"date":"2024-11-10T14:39:20","date_gmt":"2024-11-10T06:39:20","guid":{"rendered":"https:\/\/fwq.ai\/blog\/3373\/"},"modified":"2024-11-10T14:39:20","modified_gmt":"2024-11-10T06:39:20","slug":"js%e9%87%8c%e5%a6%82%e4%bd%95%e6%b1%823%e7%9a%84%e5%80%8d%e6%95%b0","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/3373\/","title":{"rendered":"js\u91cc\u5982\u4f55\u6c423\u7684\u500d\u6570"},"content":{"rendered":"<blockquote><p>\n  \u5728 javascript \u4e2d\u6c42 3 \u7684\u500d\u6570\u6709\u4e09\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528\u5faa\u73af\u548c\u6c42\u4f59\u8fd0\u7b97\u7b26 (%) \u9010\u4e2a\u5224\u65ad\u3002\u4f7f\u7528 filter() \u65b9\u6cd5\u7b5b\u9009\u51fa 3 \u7684\u500d\u6570\u3002\u4f7f\u7528 map() \u548c math.floor() \u65b9\u6cd5\u751f\u6210 3 \u7684\u500d\u6570\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/08\/2024110811005966040.jpg\" class=\"aligncenter\" title=\"js\u91cc\u5982\u4f55\u6c423\u7684\u500d\u6570\u63d2\u56fe\" alt=\"js\u91cc\u5982\u4f55\u6c423\u7684\u500d\u6570\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5728 JavaScript \u4e2d\u6c42 3 \u7684\u500d\u6570<\/strong><\/p>\n<p>\u5728 JavaScript \u4e2d\uff0c\u627e\u51fa 3 \u7684\u500d\u6570\u975e\u5e38\u7b80\u5355\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\uff1a<\/p>\n<p><strong>1. \u5faa\u73af\u4f7f\u7528\u6c42\u4f59\u8fd0\u7b97\u7b26 (%)<\/strong><\/p>\n<pre>\/\/ \u521b\u5efa\u4e00\u4e2a\u6570\u7ec4\u5b58\u50a8 3 \u7684\u500d\u6570\nconst multiplesOf3 = [];\n\n\/\/ \u4ece 1 \u5f00\u59cb\u5faa\u73af\uff0c\u6700\u5927\u503c\u4e3a 100\uff08\u53ef\u6839\u636e\u9700\u8981\u8c03\u6574\uff09\nfor (let i = 1; i &lt;= 100; i++) {\n  \/\/ \u5982\u679c i \u9664\u4ee5 3 \u7684\u4f59\u6570\u4e3a 0\uff0c\u5219 i \u662f 3 \u7684\u500d\u6570\n  if (i % 3 === 0) {\n    multiplesOf3.push(i);\n  }\n}\n\n\/\/ \u6253\u5370 3 \u7684\u500d\u6570\u6570\u7ec4\nconsole.log(multiplesOf3);<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p><strong>2. \u4f7f\u7528 filter() \u65b9\u6cd5<\/strong><\/p>\n<pre>const numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];\n\n\/\/ \u4f7f\u7528 filter() \u7b5b\u9009\u51fa 3 \u7684\u500d\u6570\nconst multiplesOf3 = numbers.filter(number =&gt; number % 3 === 0);\n\n\/\/ \u6253\u5370 3 \u7684\u500d\u6570\u6570\u7ec4\nconsole.log(multiplesOf3);<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p><strong>3. \u4f7f\u7528 map() \u548c Math.floor() \u65b9\u6cd5<\/strong><\/p>\n<pre>\/\/ \u521b\u5efa\u4e00\u4e2a\u6570\u7ec4\u5b58\u50a8 3 \u7684\u500d\u6570\nconst multiplesOf3 = [];\n\n\/\/ \u4ece 1 \u5230 100 \u5faa\u73af\nfor (let i = 1; i &lt;= 100; i++) {\n  \/\/ \u4f7f\u7528 Math.floor() \u6c42 i \u9664\u4ee5 3 \u7684\u5546\n  const quotient = Math.floor(i \/ 3);\n\n  \/\/ \u5546\u4e58\u4ee5 3 \u5f97\u5230 3 \u7684\u500d\u6570\n  const multipleOf3 = quotient * 3;\n\n  \/\/ \u5c06 3 \u7684\u500d\u6570\u6dfb\u52a0\u5230\u6570\u7ec4\u4e2d\n  multiplesOf3.push(multipleOf3);\n}\n\n\/\/ \u6253\u5370 3 \u7684\u500d\u6570\u6570\u7ec4\nconsole.log(multiplesOf3);<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p><strong>\u6ce8\uff1a<\/strong>\u8fd9\u4e9b\u65b9\u6cd5\u90fd\u53ef\u4ee5\u6839\u636e\u60a8\u7684\u5177\u4f53\u9700\u8981\u8fdb\u884c\u5b9a\u5236\uff0c\u4ee5\u6ee1\u8db3\u4e0d\u540c\u7684\u8981\u6c42\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u8c03\u6574\u5faa\u73af\u8303\u56f4\u6216\u4f7f\u7528\u4e0d\u540c\u7684\u6570\u7ec4\u6765\u5b58\u50a8\u7ed3\u679c\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjs\u91cc\u5982\u4f55\u6c423\u7684\u500d\u6570\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>\u5728 javascript \u4e2d\u6c42 3 \u7684\u500d\u6570\u6709\u4e09\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528\u5faa\u73af\u548c\u6c42\u4f59\u8fd0\u7b97\u7b26 (%) \u9010\u4e2a\u5224\u65ad\u3002\u4f7f\u7528 filter() \u65b9\u6cd5\u7b5b\u9009\u51fa 3 \u7684\u500d\u6570\u3002\u4f7f\u7528 map() \u548c math.floor() \u65b9\u6cd5\u751f\u6210 3 \u7684\u500d\u6570\u3002 \u5728 JavaScript \u4e2d\u6c42 3 \u7684\u500d\u6570 \u5728 JavaScript \u4e2d\uff0c\u627e\u51fa 3 \u7684\u500d\u6570\u975e\u5e38\u7b80\u5355\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\uff1a 1. \u5faa\u73af\u4f7f\u7528\u6c42\u4f59\u8fd0\u7b97\u7b26 (%) \/\/ \u521b\u5efa\u4e00\u4e2a\u6570\u7ec4\u5b58\u50a8 3 \u7684\u500d\u6570 const multiplesOf3 = []; \/\/ \u4ece 1 \u5f00\u59cb\u5faa\u73af\uff0c\u6700\u5927\u503c\u4e3a 100\uff08\u53ef\u6839\u636e\u9700\u8981\u8c03\u6574\uff09 for (let i = 1; i &lt;= 100; i++) { \/\/ \u5982\u679c [&hellip;]<\/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-3373","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/3373","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=3373"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/3373\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=3373"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=3373"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=3373"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}