ES6 \u751f\u6210\u5668<\/h1>\n<\/p><\/div>\n

ES6 \u751f\u6210\u5668<\/h2>\n

\n \u751f\u6210\u5668(\u6216\u751f\u6210\u5668\u51fd\u6570)\u662f ES6 \u4e2d\u5f15\u5165\u7684\u65b0\u6982\u5ff5\u3002\u5b83\u4e3a\u60a8\u63d0\u4f9b\u4e86\u4e00\u79cd\u4f7f\u7528\u8fed\u4ee3\u5668\u548c\u51fd\u6570\u7684\u65b0\u65b9\u6cd5\u3002\n <\/div>\n

\n ES6 \u751f\u6210\u5668\u662f\u4e00\u79cd\u4e0d\u540c\u7684\u51fd\u6570\uff0c\u53ef\u4ee5\u5728\u4e2d\u95f4\u6682\u505c\u4e00\u6b21\u6216\u591a\u6b21\uff0c\u7a0d\u540e\u53ef\u4ee5\u6062\u590d\u3002\u5f53\u6807\u51c6\u51fd\u6570\u88ab\u8c03\u7528\u65f6\uff0c\u63a7\u5236\u6743\u5728\u88ab\u8c03\u7528\u7684\u51fd\u6570\u4e0a\uff0c\u76f4\u5230\u5b83\u8fd4\u56de\uff0c\u4f46 ES6 \u4e2d\u7684\u751f\u6210\u5668\u5141\u8bb8\u8c03\u7528\u8005\u51fd\u6570\u63a7\u5236\u88ab\u8c03\u7528\u51fd\u6570\u7684\u6267\u884c\u3002\n <\/div>\n

$ES6 \u751f\u6210\u5668_https:\/\/bianchenghao6.com_\u3010ES6 \u6559\u7a0b\u3011_\u7b2c1\u5f20$ <\/p>\n

\n \u751f\u6210\u5668\u5728\u67d0\u5904\u4e0e\u5e38\u89c4\u51fd\u6570\u76f8\u540c\uff0c\u9664\u4e86\u90a3\u4e2a:\n <\/div>\n

\u5f53\u751f\u6210\u5668\u88ab\u8c03\u7528\u65f6\uff0c\u5b83\u4e0d\u4f1a\u8fd0\u884c\u5b83\u7684\u4ee3\u7801\u3002\u76f8\u53cd\uff0c\u5b83\u8fd4\u56de\u4e00\u4e2a\u79f0\u4e3a\"\u751f\u6210\u5668\u5bf9\u8c61\"\u7684\u7279\u6b8a\u5bf9\u8c61\uff0c\u7528\u4e8e\u7ba1\u7406\u6267\u884c\u3002<\/span>
\n \u751f\u6210\u5668\u51fd\u6570\u53ef\u4ee5\u968f\u65f6\u5c06\u63a7\u5236\u6743\u8fd4\u56de(\u6216\u8ba9\u51fa)\u7ed9\u8c03\u7528\u8005\u3002<\/span>
\n \u4e0e\u5e38\u89c4\u51fd\u6570\u4e0d\u540c\uff0c\u751f\u6210\u5668\u53ef\u4ee5\u6839\u636e\u8981\u6c42\u4e00\u4e2a\u63a5\u4e00\u4e2a\u5730\u8fd4\u56de(\u6216\u4ea7\u751f)\u591a\u4e2a\u503c\u3002<\/span> <\/p>\n

\u8bed\u6cd5<\/h3>\n

\n \u751f\u6210\u5668\u51fd\u6570\u7684\u8bed\u6cd5\u51e0\u4e4e\u4e0e\u5e38\u89c4\u51fd\u6570\u76f8\u540c\u3002\u552f\u4e00\u771f\u6b63\u7684\u533a\u522b\u662f\u751f\u6210\u5668\u51fd\u6570\u7531\u540e\u7f00\u51fd\u6570\u5173\u952e\u5b57\u548c\u661f\u53f7(*)\u8868\u793a\u3002\n <\/div>\n

\n \u5728\u4ee5\u4e0b\u8bed\u6cd5\u4e2d\uff0c\u6211\u4eec\u5411\u60a8\u5c55\u793a\u4e86\u5b9a\u4e49\u751f\u6210\u5668\u51fd\u6570\u7684\u4e00\u4e9b\u6709\u6548\u65b9\u6cd5:\n <\/div>\n

function* mygenfun()\t\/\/ Valid<\/span><\/span><\/span>\n{\nyield 1;\nyield 2;\n...\n...\n}\nfunction *mygenfun()\t\/\/ Valid\n{\nyield 1;\nyield 2;\n...\n...\n}\nfunction*mygenfun()\t\/\/ Valid\n{\nyield 1;\nyield 2;\n...\n...\n}<\/pre>\n<\/code>\n  <\/div>\n
\u793a\u4f8b<\/h3>\n\nfunction* gen()\n{\nyield 100;\nyield;\nyield 200;\n}\n\/\/ Calling the Generator Function<\/span>\nvar <\/span>mygen = gen();\nconsole.log<\/span>(mygen.next<\/span>().value);\nconsole.log<\/span>(mygen.next<\/span>().value);\nconsole.log<\/span>(mygen.next<\/span>().value);<\/pre>\n<\/code>\n  <\/div>\n
\n    \u8f93\u51fa\n  <\/div>\n\n100\nundefined\n200<\/pre>\n<\/code>\n  <\/div>\n
yield \u8bed\u53e5<\/h2>\n\n    yield \u8bed\u53e5\u6682\u505c\u51fd\u6570\u6267\u884c\u5e76\u5c06\u503c\u53d1\u9001\u56de\u8c03\u7528\u8005\u3002\u5b83\u4fdd\u7559\u4e86\u8db3\u591f\u7684\u72b6\u6001\uff0c\u4f7f\u529f\u80fd\u80fd\u591f\u4ece\u4e2d\u65ad\u7684\u5730\u65b9\u6062\u590d\u3002\u5f53\u5b83\u6062\u590d\u65f6\uff0c\u8be5\u51fd\u6570\u4f1a\u5728\u6700\u540e\u4e00\u6b21 yield \u8fd0\u884c\u540e\u7acb\u5373\u7ee7\u7eed\u6267\u884c\u3002\u5b83\u53ef\u4ee5\u4ea7\u751f\u4e00\u7cfb\u5217\u503c\u3002\n  <\/div>\nnext() \u65b9\u6cd5<\/h2>\n\n    \u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86next() \u65b9\u6cd5\uff0c\u8fd9\u662f\u751f\u6210\u5668\u7684\u4e3b\u8981\u65b9\u6cd5\u3002\u5f53\u60a8\u5c06 next() \u65b9\u6cd5\u4e0e\u53c2\u6570\u4e00\u8d77\u8c03\u7528\u65f6\uff0c\u5b83\u5c06\u6062\u590d\u751f\u6210\u5668\u51fd\u6570\u7684\u6267\u884c\uff0c\u66ff\u6362\u6267\u884c\u6682\u505c\u7684 yield \u8868\u8fbe\u5f0fnext() \u65b9\u6cd5\u3002\n  <\/div>\n\n    next() \u65b9\u6cd5\u7684\u7ed3\u679c\u59cb\u7ec8\u662f\u4e00\u4e2a\u5177\u6709\u4e24\u4e2a\u5c5e\u6027\u7684\u5bf9\u8c61:\n  <\/div>\n  \u4ef7\u503c: \u5b83\u662f\u4ea7\u751f\u7684\u4ef7\u503c\u3002<\/span>
\n  done: \u5b83\u662f\u4e00\u4e2a\u5e03\u5c14\u503c\uff0c\u5982\u679c\u51fd\u6570\u4ee3\u7801\u5df2\u5b8c\u6210\u5219\u8fd4\u56de\u771f\u3002\u5426\u5219\uff0c\u5b83\u4f1a\u62a5\u9519\u3002<\/span> <\/p>\n
\n    \u4f8b\u5982\uff0c\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u6b63\u5728\u521b\u5efa\u4e00\u4e2a\u751f\u6210\u5668\u51fd\u6570\u5e76\u83b7\u53d6\u5176\u4ea7\u751f\u7684\u503c\u3002\n  <\/div>\n\u793a\u4f8b<\/h3>\n\nfunction* show() {\nyield 100;\n}\nvar <\/span>gen = show();\t\/\/here 'gen'<\/span> is a generator object<\/span>\nconsole.log<\/span>(gen.next<\/span>()); \/\/ { value: 100, done: false<\/span> <\/span>}<\/span><\/pre>\n<\/code>\n  <\/div>\n
\n    \u8f93\u51fa\n  <\/div>\n\n{ value: 100, done: false<\/span> <\/span>}<\/pre>\n<\/code>\n  <\/div>\n
\u751f\u6210\u5668\u5bf9\u8c61<\/h2>\n\n    \u751f\u6210\u5668\u51fd\u6570\u8fd4\u56de\u751f\u6210\u5668\u5bf9\u8c61\u3002\u751f\u6210\u5668\u5bf9\u8c61\u662f\u751f\u6210\u5668\u51fd\u6570\u7684\u5b9e\u4f8b\uff0c\u5b83\u540c\u65f6\u7b26\u5408\u53ef\u8fed\u4ee3\u548c\u8fed\u4ee3\u5668\u63a5\u53e3\u3002\n  <\/div>\n\n    \u751f\u6210\u5668\u5bf9\u8c61\u53ef\u4ee5\u901a\u8fc7\u8c03\u7528next() \u65b9\u6cd5\u4f7f\u7528\u6216\u8005\u901a\u8fc7\u5728\u5faa\u73af\u4e2d\u4f7f\u7528\u751f\u6210\u5668\u5bf9\u8c61\u3002\u751f\u6210\u5668\u5bf9\u8c61\u662f\u4e00\u4e2a\u8fed\u4ee3\u5668\uff1b\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u60a8\u53ef\u4ee5\u5728 for...of \u5faa\u73af\u6216\u5176\u4ed6\u63a5\u53d7\u53ef\u8fed\u4ee3\u5bf9\u8c61\u7684\u51fd\u6570\u4e2d\u4f7f\u7528\u5b83\u3002\n  <\/div>\n\n    \u5728\u4e0a\u9762\u7684 next() \u65b9\u6cd5\u793a\u4f8b\u4e2d\uff0c\u53d8\u91cf gen \u662f\u751f\u6210\u5668\u5bf9\u8c61\u3002\n  <\/div>\n\u751f\u6210\u5668\u4e2d\u7684\u8fd4\u56de\u8bed\u53e5<\/h2>\n\n    \u8fd4\u56de\u7528\u4e8e\u5c06\u6307\u5b9a\u503c\u53d1\u9001\u56de\u5176\u8c03\u7528\u8005.\u5b83\u7528\u4e8e\u7ed3\u675f\u51fd\u6570\u8c03\u7528\u6267\u884c\u5e76\u5c06\u7ed3\u679c\u8fd4\u56de\u7ed9\u8c03\u7528\u8005\u3002\u5728\u51fd\u6570\u5185\uff0c\u4e0d\u6267\u884c return \u8bed\u53e5\u4e4b\u540e\u5b9a\u4e49\u7684\u8bed\u53e5\u3002\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48 return \u8bed\u53e5\u5e94\u8be5\u662f\u51fd\u6570\u7684\u6700\u540e\u4e00\u4e2a\u8bed\u53e5\u3002\n  <\/div>\n\n    \u8ba9\u6211\u4eec\u901a\u8fc7\u4e00\u4e2a\u4f8b\u5b50\u6765\u5c1d\u8bd5\u7406\u89e3\u751f\u6210\u5668\u4e2d\u7684 return \u8bed\u53e5:\n  <\/div>\n\u793a\u4f8b<\/h3>\n\nfunction* myGen()  {\nyield 'First yield statement'<\/span><\/span>;\nyield 'Second yield statement'<\/span><\/span><\/span>;\nreturn <\/span>'return <\/span>statement'<\/span><\/span>;\nyield 'Second yield statement';\n}\nlet genobj = myGen();\nconsole.log<\/span>(genobj.next<\/span>());    \/\/returns {value: 'First yield statement', done: false<\/span>}<\/span>\nconsole.log<\/span>(genobj.next<\/span>());   \/\/returns {value: 'Second yield statement', done: false<\/span>}<\/span>\nconsole.log<\/span>(genobj.next<\/span>());  \/\/returns {value: 'return <\/span>statement', done: true<\/span><\/span>}<\/span>\nconsole.log<\/span>(genobj.next<\/span>());\t\/\/returns {value: undefined, done: true<\/span><\/span>}<\/span><\/pre>\n<\/code>\n  <\/div>\n
\n    \u8f93\u51fa\n  <\/div>\n\n{ value: 'First yield statement'<\/span>, done: false<\/span> <\/span>}\n{ value: 'Second yield statement'<\/span>, done: false<\/span> <\/span>}\n{ value: 'return <\/span>statement'<\/span>, done: true<\/span><\/span> }\n{ value: undefined, done: true<\/span><\/span> }<\/pre>\n<\/code>\n  <\/div>\n
\n    \u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u751f\u6210\u5668\u51fd\u6570myGen()\uff0c\u5176\u4e2d\u6211\u4eec\u5b9a\u4e49\u4e86\u56db\u4e2a\u8bed\u53e5\uff0c\u5305\u62ec\u4e09\u4e2ayield\u8bed\u53e5\u548c\u4e00\u4e2areturn\u9648\u8ff0\u3002 \u6bcf\u5f53\u6211\u4eec\u8c03\u7528 next() \u65b9\u6cd5\u65f6\uff0c\u8be5\u51fd\u6570\u90fd\u4f1a\u6062\u590d\uff0c\u76f4\u5230\u9047\u5230\u4e0b\u4e00\u4e2a yield \u8bed\u53e5\u3002\n  <\/div>\n\n    \u60a8\u53ef\u4ee5\u6ce8\u610f\u5230\u7b2c\u4e00\u4e2a next() \u65b9\u6cd5\u8fd4\u56de '\u7b2c\u4e00\u4e2a yield \u8bed\u53e5\u3002' \u5f53\u6211\u4eec\u7b2c\u4e8c\u6b21\u8c03\u7528next()\u65b9\u6cd5\u65f6\uff0c\u5b83\u4f1a\u6062\u590d\u6267\u884c\u5e76\u8fd4\u56de'\u7b2c\u4e8c\u4e2ayield\u8bed\u53e5'\u3002\u518d\u6b21\u8c03\u7528next()\u65b9\u6cd5\u540e\uff0c\u8be5\u51fd\u6570\u4e0d\u518d\u627e\u5230yield\u8bed\u53e5\u5e76\u8fd4\u56de'Return\u8bed\u53e5'\u3002 \u4f46\u662f\u5f53\u6211\u4eec\u7b2c\u56db\u6b21\u8c03\u7528next()\u65b9\u6cd5\u65f6\uff0c\u5b83\u4e0d\u4f1a\u8003\u8651yield\u8bed\u53e5\u5e76\u8fd4\u56deundefined\uff0c\u56e0\u4e3a\u5b83\u662f\u5199\u5728 return \u8bed\u53e5\u4e4b\u540e\u3002\n  <\/div>\n\n    \u4f60\u53ef\u4ee5\u5728\u4e0a\u9762\u4f8b\u5b50\u7684\u8f93\u51fa\u4e2d\u770b\u5230 next() \u65b9\u6cd5\u6ca1\u6709\u8003\u8651\u540e\u9762\u7684\u4efb\u4f55\u8bed\u53e5return \u8bed\u53e5\u3002\n  <\/div>\n\u5e26 for...of \u5faa\u73af\u7684\u751f\u6210\u5668\u51fd\u6570<\/h2>\n\n    \u4f7f\u7528\u5e26\u751f\u6210\u5668\u51fd\u6570\u7684 for...of \u5faa\u73af\u51cf\u5c11\u4e86\u4ee3\u7801\u884c\u3002\u60a8\u53ef\u4ee5\u5728\u4ee5\u4e0b\u793a\u4f8b\u4e2d\u770b\u5230\u76f8\u540c\u7684\u63d2\u56fe\u3002\n  <\/div>\n\u793a\u4f8b<\/h3>\n\n\"use strict\"<\/span> \nfunction* vowels() { \n   \/\/ here the asterisk marks this<\/span> as a generator <\/span>\n   yield 'A'<\/span>; \n   yield 'E'<\/span>; \n   yield 'I'<\/span>; \n   yield 'O'<\/span>; \n   yield 'U'<\/span>; \n} \nfor(let alpha of vowels()) { \n   console.log<\/span>(alpha); \n}<\/pre>\n<\/code>\n  <\/div>\n
\n    \u8f93\u51fa\n  <\/div>\n\nA\nE\nI\nO\nU<\/pre>\n<\/code>\n  <\/div>\n
\n   \u6ce8\u610f: <\/span>\u4e0d\u80fd\u4f7f\u7528\u7bad\u5934\u51fd\u6570\u6765\u8868\u793a\u751f\u6210\u5668\u51fd\u6570\u3002\n  <\/div>\n <\/body>
\n<\/html><\/p>\n","protected":false},"excerpt":{"rendered":"ES6 \u751f\u6210\u5668zh-cn","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[161],"tags":[],"class_list":["post-1914","post","type-post","status-publish","format-standard","hentry","category-es6jc"],"_links":{"self":[{"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/posts\/1914"}],"collection":[{"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/comments?post=1914"}],"version-history":[{"count":0,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/posts\/1914\/revisions"}],"wp:attachment":[{"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/media?parent=1914"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/categories?post=1914"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/tags?post=1914"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}