{"id":360,"date":"2023-10-26T15:01:43","date_gmt":"2023-10-26T07:01:43","guid":{"rendered":"https:\/\/www.qzdd.net\/?p=360"},"modified":"2023-10-26T15:01:43","modified_gmt":"2023-10-26T07:01:43","slug":"%e6%ad%a3%e5%88%99%e8%a1%a8%e8%be%be%e5%bc%8f%e5%af%b9%e8%b1%a1%e7%9a%84lastindex","status":"publish","type":"post","link":"https:\/\/www.qzdd.net\/?p=360","title":{"rendered":"\u6b63\u5219\u8868\u8fbe\u5f0f\u5bf9\u8c61\u7684lastIndex"},"content":{"rendered":"\n<p><strong>lastIndex<\/strong> \u662f\u53ef\u8bfb\u53ef\u5199\u7684\u6574\u6570\u5c5e\u6027\uff0c\u8868\u793a\u4e0b\u4e00\u6b21\u5339\u914d\u7684\u8d77\u59cb\u5b57\u7b26\u4f4d\u7f6e\uff0c\u5e26\u6709g\u3001y\u6a21\u5f0f(flag\u6807\u5fd7)\u7684\u6b63\u5219\u5bf9\u8c61\uff0clastIndex\u4f1a\u88ab\u81ea\u6709test\/exec\u65b9\u6cd5\u548c\u5b57\u7b26\u4e32\u7684match\u65b9\u6cd5\u4fee\u6539\u3002<\/p>\n\n\n\n<p><strong>RegExp.prototype.exec\/test<\/strong> (test\u65b9\u6cd5\u5e95\u5c42\u8c03\u7528exec)\u65b9\u6cd5\u6bcf\u6b21\u6267\u884c\u4f1a\u66f4\u65b0lastIndex\uff0c\u9ed8\u8ba4\u662f0\uff0c\u5339\u914d\u5230\u4e00\u9879\u540e\uff0c\u66f4\u65b0\u4e3a\u5339\u914d\u6587\u5b57\u4e4b\u540e\u7684\u7b2c\u4e00\u4e2a\u5b57\u7b26\u4f4d\u7f6e\uff0c\u7ee7\u7eed\u6267\u884cexec\/test\u540e\u5982\u679c\u6ca1\u627e\u5230\u5339\u914d\u9879\uff0c\u66f4\u65b0\u4e3a0\u3002<\/p>\n\n\n\n<p><strong>String.prototype.match<\/strong>\u65b9\u6cd5\u867d\u7136\u4e0d\u4f9d\u8d56lastIndex\uff0c\u4f46\u662f\u6bcf\u6b21\u6267\u884c\u4f1a\u91cd\u7f6elastIndex\u4e3a0\u3002<\/p>\n\n\n\n<p><strong>String.prototype.matchAll <\/strong>\u8fd4\u56de\u8fed\u4ee3\u5668\uff0c\u6bcf\u4e2a\u5143\u7d20\u548cexec\u8fd4\u56de\u7684\u6570\u7ec4\u5bf9\u8c61\u5c5e\u6027\u76f8\u540c\u3002\u6570\u7ec4\u5143\u7d200\u662f\u5339\u914d\u9879\u5b50\u5b57\u7b26\u4e32\uff0c\u6570\u7ec4\u5176\u4ed6\u5143\u7d20\u662f\u5404\u4e2a\u6355\u83b7\u5206\u7ec4\uff0cindex\u5c5e\u6027\u662f\u5339\u914d\u9879\u8d77\u59cb\u4f4d\u7f6e\uff0cinput\u5c5e\u6027\u662f\u539f\u5b57\u7b26\u4e32\uff0cgroups\u5c5e\u6027\u662f\u547d\u540d\u6355\u83b7\u5206\u7ec4\u7ec4\u6210\u7684\u5bf9\u8c61\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>lastIndex \u662f\u53ef\u8bfb\u53ef\u5199\u7684\u6574\u6570\u5c5e\u6027\uff0c\u8868\u793a\u4e0b\u4e00\u6b21\u5339\u914d\u7684\u8d77\u59cb\u5b57\u7b26\u4f4d\u7f6e\uff0c\u5e26\u6709g\u3001y\u6a21\u5f0f(flag\u6807\u5fd7)\u7684\u6b63\u5219\u5bf9 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[35,48,81],"class_list":["post-360","post","type-post","status-publish","format-standard","hentry","category-base","tag-exec","tag-match","tag-81"],"_links":{"self":[{"href":"https:\/\/www.qzdd.net\/index.php?rest_route=\/wp\/v2\/posts\/360","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.qzdd.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.qzdd.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.qzdd.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.qzdd.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=360"}],"version-history":[{"count":0,"href":"https:\/\/www.qzdd.net\/index.php?rest_route=\/wp\/v2\/posts\/360\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.qzdd.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=360"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.qzdd.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=360"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.qzdd.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=360"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}