{"id":2046,"date":"2025-02-25T23:03:06","date_gmt":"2025-02-25T15:03:06","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=2046"},"modified":"2025-02-25T23:03:06","modified_gmt":"2025-02-25T15:03:06","slug":"javascript-break-%e5%92%8c-continue-%e8%af%ad%e5%8f%a5","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/02\/25\/javascript-break-%e5%92%8c-continue-%e8%af%ad%e5%8f%a5\/","title":{"rendered":"JavaScript\u00a0break \u548c continue \u8bed\u53e5"},"content":{"rendered":"\n

\u5728 JavaScript \u4e2d\uff0cbreak<\/code> \u548c continue<\/code> \u662f\u4e24\u79cd\u63a7\u5236\u6d41\u8bed\u53e5\uff0c\u7528\u4e8e\u6539\u53d8\u5faa\u73af\u7684\u6267\u884c\u6d41\u7a0b\u3002\u5b83\u4eec\u901a\u5e38\u7528\u4e8e for<\/code>\u3001while<\/code>\u3001do...while<\/code> \u548c switch<\/code> \u8bed\u53e5\u4e2d\u3002<\/p>\n\n\n\n

\u4e00\u3001break<\/code> \u8bed\u53e5<\/strong><\/h3>\n\n\n\n

break<\/code> \u7528\u4e8e\u8df3\u51fa\u5f53\u524d\u7684\u5faa\u73af\u6216 switch<\/code> \u8bed\u53e5\uff0c\u7acb\u5373\u505c\u6b62\u6267\u884c\u3002\u65e0\u8bba\u5faa\u73af\u6761\u4ef6\u662f\u5426\u4e3a\u771f\uff0c\u4e00\u65e6\u9047\u5230 break<\/code>\uff0c\u5faa\u73af\u90fd\u4f1a\u7ed3\u675f\u3002<\/p>\n\n\n\n

1\u3001\u8bed\u6cd5\uff1a<\/strong><\/h4>\n\n\n\n
break;<\/code><\/pre>\n\n\n\n
2\u3001\u793a\u4f8b 1\uff1a\u5728 for<\/code> \u5faa\u73af\u4e2d\u4f7f\u7528 break<\/code><\/strong><\/h4>\n\n\n\n
for (let i = 0; i < 5; i++) {\n    if (i === 3) {\n        break;  \/\/ \u5f53 i \u7b49\u4e8e 3 \u65f6\uff0c\u8df3\u51fa\u5faa\u73af\n    }\n    console.log(i);\n}<\/code><\/pre>\n\n\n\n
\u8f93\u51fa\uff1a<\/p>\n\n\n\n
0\n1\n2<\/code><\/pre>\n\n\n\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5f53 i<\/code> \u7b49\u4e8e 3 \u65f6\uff0cbreak<\/code> \u8bed\u53e5\u4f1a\u7acb\u523b\u7ec8\u6b62\u5faa\u73af\uff0c\u540e\u9762\u7684 i = 3<\/code> \u548c i = 4<\/code> \u5c06\u4e0d\u4f1a\u88ab\u8f93\u51fa\u3002<\/p>\n\n\n\n
3\u3001\u793a\u4f8b 2\uff1a\u5728 switch<\/code> \u8bed\u53e5\u4e2d\u4f7f\u7528 break<\/code><\/strong><\/h4>\n\n\n\n
let day = 3;\nswitch (day) {\n    case 1:\n        console.log(\"\u661f\u671f\u4e00\");\n        break;\n    case 2:\n        console.log(\"\u661f\u671f\u4e8c\");\n        break;\n    case 3:\n        console.log(\"\u661f\u671f\u4e09\");\n        break;\n    default:\n        console.log(\"\u65e0\u6548\u7684\u65e5\u671f\");\n}<\/code><\/pre>\n\n\n\n
\u8f93\u51fa\uff1a<\/p>\n\n\n\n
\u661f\u671f\u4e09<\/code><\/pre>\n\n\n\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5f53 day<\/code> \u7b49\u4e8e 3 \u65f6\uff0c\u7a0b\u5e8f\u4f1a\u8f93\u51fa\u201c\u661f\u671f\u4e09\u201d\uff0c\u5e76\u901a\u8fc7 break<\/code> \u8df3\u51fa switch<\/code> \u8bed\u53e5\u3002<\/p>\n\n\n\n
\n\n\n\n
\u4e8c\u3001continue<\/code> \u8bed\u53e5<\/strong><\/h3>\n\n\n\n
continue<\/code> \u7528\u4e8e\u8df3\u8fc7\u5f53\u524d\u5faa\u73af\u7684\u5269\u4f59\u90e8\u5206\uff0c\u76f4\u63a5\u8fdb\u5165\u4e0b\u6b21\u5faa\u73af\u7684\u6761\u4ef6\u5224\u65ad\u3002\u5b83\u4e0d\u4f1a\u7ec8\u6b62\u5faa\u73af\uff0c\u53ea\u662f\u8df3\u8fc7\u5f53\u524d\u7684\u8fed\u4ee3\u3002<\/p>\n\n\n\n
1\u3001\u8bed\u6cd5\uff1a<\/strong><\/h4>\n\n\n\n
continue;<\/code><\/pre>\n\n\n\n
2\u3001\u793a\u4f8b 1\uff1a\u5728 for<\/code> \u5faa\u73af\u4e2d\u4f7f\u7528 continue<\/code><\/strong><\/h4>\n\n\n\n
for (let i = 0; i < 5; i++) {\n    if (i === 3) {\n        continue;  \/\/ \u5f53 i \u7b49\u4e8e 3 \u65f6\uff0c\u8df3\u8fc7\u5f53\u524d\u5faa\u73af\uff0c\u7ee7\u7eed\u6267\u884c\u4e0b\u6b21\u5faa\u73af\n    }\n    console.log(i);\n}<\/code><\/pre>\n\n\n\n
\u8f93\u51fa\uff1a<\/p>\n\n\n\n
0\n1\n2\n4<\/code><\/pre>\n\n\n\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5f53 i<\/code> \u7b49\u4e8e 3 \u65f6\uff0ccontinue<\/code> \u4f1a\u8df3\u8fc7\u5f53\u524d\u7684 console.log(i)<\/code> \u8bed\u53e5\uff0c\u76f4\u63a5\u8fdb\u884c\u4e0b\u4e00\u6b21\u5faa\u73af\u3002\u6240\u4ee5 i = 3<\/code> \u4e0d\u4f1a\u88ab\u8f93\u51fa\uff0c\u4f46\u5faa\u73af\u4f1a\u7ee7\u7eed\u6267\u884c\u3002<\/p>\n\n\n\n
3\u3001\u793a\u4f8b 2\uff1a\u5728 while<\/code> \u5faa\u73af\u4e2d\u4f7f\u7528 continue<\/code><\/strong><\/h4>\n\n\n\n
let i = 0;\nwhile (i < 5) {\n    i++;\n    if (i === 3) {\n        continue;  \/\/ \u5f53 i \u7b49\u4e8e 3 \u65f6\uff0c\u8df3\u8fc7\u5f53\u524d\u5faa\u73af\n    }\n    console.log(i);\n}<\/code><\/pre>\n\n\n\n
\u8f93\u51fa\uff1a<\/p>\n\n\n\n
1\n2\n4\n5<\/code><\/pre>\n\n\n\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5f53 i<\/code> \u7b49\u4e8e 3 \u65f6\uff0ccontinue<\/code> \u4f1a\u8df3\u8fc7\u5f53\u524d\u7684\u5faa\u73af\u8fed\u4ee3\uff0c\u5bfc\u81f4 3<\/code> \u4e0d\u4f1a\u88ab\u6253\u5370\uff0c\u4f46\u5faa\u73af\u4f1a\u7ee7\u7eed\u8fdb\u884c\u3002<\/p>\n\n\n\n
\n\n\n\n
\u4e09\u3001break<\/code> \u548c continue<\/code> \u7684\u533a\u522b<\/strong><\/h3>\n\n\n\n
\u8bed\u53e5<\/th>\u529f\u80fd\u63cf\u8ff0<\/th>\u5f71\u54cd<\/th><\/tr><\/thead>
break<\/code><\/td>\u7acb\u5373\u9000\u51fa\u5f53\u524d\u5faa\u73af\u6216 switch<\/code> \u8bed\u53e5\uff0c\u4e0d\u518d\u6267\u884c\u4efb\u4f55\u5269\u4f59\u7684\u4ee3\u7801\u3002<\/td>\u7ec8\u6b62\u6574\u4e2a\u5faa\u73af\u3002<\/td><\/tr>
continue<\/code><\/td>\u8df3\u8fc7\u5f53\u524d\u5faa\u73af\u7684\u5269\u4f59\u4ee3\u7801\uff0c\u8fdb\u5165\u4e0b\u6b21\u5faa\u73af\u7684\u6761\u4ef6\u5224\u65ad\u3002<\/td>\u7ee7\u7eed\u4e0b\u4e00\u4e2a\u5faa\u73af\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\n\n\n\n
\u603b\u7ed3<\/strong><\/h3>\n\n\n\n
    \n
  • break<\/code><\/strong> \u7528\u4e8e\u7acb\u5373\u7ec8\u6b62\u5faa\u73af\u6216 switch<\/code> \u8bed\u53e5\uff0c\u8df3\u51fa\u5faa\u73af\u540e\uff0c\u540e\u9762\u7684\u4ee3\u7801\u4e0d\u518d\u6267\u884c\u3002<\/li>\n\n\n\n
  • continue<\/code><\/strong> \u7528\u4e8e\u8df3\u8fc7\u5f53\u524d\u5faa\u73af\u7684\u5269\u4f59\u4ee3\u7801\uff0c\u76f4\u63a5\u8fdb\u5165\u4e0b\u6b21\u5faa\u73af\u7684\u5224\u65ad\uff0c\u5faa\u73af\u4f1a\u7ee7\u7eed\u3002<\/li>\n\n\n\n
  • break<\/code> \u9002\u7528\u4e8e\u63d0\u524d\u9000\u51fa\u5faa\u73af\u7684\u60c5\u51b5\uff0c\u800c continue<\/code> \u7528\u4e8e\u8df3\u8fc7\u67d0\u4e9b\u4e0d\u9700\u8981\u6267\u884c\u7684\u5faa\u73af\u4f53\u90e8\u5206\u3002<\/li>\n<\/ul>\n\n\n\n
    \u66f4\u591a\u8be6\u7ec6\u5185\u5bb9\u8bf7\u5173\u6ce8\u5176\u4ed6\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u5728 JavaScript \u4e2d\uff0cbreak \u548c continue \u662f\u4e24\u79cd\u63a7\u5236\u6d41\u8bed\u53e5\uff0c\u7528\u4e8e\u6539\u53d8\u5faa\u73af\u7684\u6267\u884c\u6d41\u7a0b\u3002\u5b83\u4eec […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[46],"tags":[],"class_list":["post-2046","post","type-post","status-publish","format-standard","hentry","category-javascript"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2046","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/comments?post=2046"}],"version-history":[{"count":1,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2046\/revisions"}],"predecessor-version":[{"id":2047,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2046\/revisions\/2047"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=2046"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=2046"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=2046"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}