{"id":757,"date":"2021-08-05T11:30:01","date_gmt":"2021-08-05T03:30:01","guid":{"rendered":"http:\/\/blog.xrhoujie.com\/?p=757"},"modified":"2021-08-05T11:30:01","modified_gmt":"2021-08-05T03:30:01","slug":"javascript-%e5%9b%9e%e6%96%87%e6%95%b0%e6%af%8f%e6%97%a5%e4%b8%80%e9%a2%98","status":"publish","type":"post","link":"http:\/\/blog.xrhoujie.com\/?p=757","title":{"rendered":"JavaScript \u56de\u6587\u6570(\u6bcf\u65e5\u4e00\u9898)"},"content":{"rendered":"<p>\u7ed9\u4f60\u4e00\u4e2a\u6574\u6570 x \uff0c\u5982\u679c x \u662f\u4e00\u4e2a\u56de\u6587\u6574\u6570\uff0c\u8fd4\u56de true \uff1b\u5426\u5219\uff0c\u8fd4\u56de false \u3002<\/p>\n<p>\u56de\u6587\u6570\u662f\u6307\u6b63\u5e8f\uff08\u4ece\u5de6\u5411\u53f3\uff09\u548c\u5012\u5e8f\uff08\u4ece\u53f3\u5411\u5de6\uff09\u8bfb\u90fd\u662f\u4e00\u6837\u7684\u6574\u6570\u3002\u4f8b\u5982\uff0c121 \u662f\u56de\u6587\uff0c\u800c 123 \u4e0d\u662f\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u793a\u4f8b 1\uff1a<\/p>\n<p>\u8f93\u5165\uff1ax = 121<br \/>\n\u8f93\u51fa\uff1atrue<br \/>\n\u793a\u4f8b\u00a02\uff1a<\/p>\n<p>\u8f93\u5165\uff1ax = -121<br \/>\n\u8f93\u51fa\uff1afalse<br \/>\n\u89e3\u91ca\uff1a\u4ece\u5de6\u5411\u53f3\u8bfb, \u4e3a -121 \u3002 \u4ece\u53f3\u5411\u5de6\u8bfb, \u4e3a 121- \u3002\u56e0\u6b64\u5b83\u4e0d\u662f\u4e00\u4e2a\u56de\u6587\u6570\u3002<br \/>\n\u793a\u4f8b 3\uff1a<\/p>\n<p>\u8f93\u5165\uff1ax = 10<br \/>\n\u8f93\u51fa\uff1afalse<br \/>\n\u89e3\u91ca\uff1a\u4ece\u53f3\u5411\u5de6\u8bfb, \u4e3a 01 \u3002\u56e0\u6b64\u5b83\u4e0d\u662f\u4e00\u4e2a\u56de\u6587\u6570\u3002<br \/>\n\u793a\u4f8b 4\uff1a<\/p>\n<p>\u8f93\u5165\uff1ax = -101<br \/>\n\u8f93\u51fa\uff1afalse<br \/>\n\u89e3\u6790\uff1a<\/p>\n<p>&nbsp;<\/p>\n<div>\n<div>\/**<\/div>\n<div>* @param {number} x<\/div>\n<div>* @return {boolean}<\/div>\n<div>*\/<\/div>\n<div>var isPalindrome = function(x) {<\/div>\n<div>if(x&lt;0){<\/div>\n<div>return false<\/div>\n<div>}else{<\/div>\n<div>varx2 = parseInt(x.toString().split(&#8220;&#8221;).reverse().join(&#8220;&#8221;))<\/div>\n<div>returnx2===x?true:false<\/div>\n<div>}<\/div>\n<div>};<\/div>\n<div>\/\/\u5982\u679c\u662f\u8d1f\u6570\u76f4\u63a5false\uff0c\u5148\u628a\u5185\u5bb9\u8f6c\u5b57\u7b26\u4e32\uff0c\u5206\u5272\u6570\u7ec4\uff0c\u6570\u7ec4\u5012\u53d9\uff0c\u5408\u5e76\u5b57\u7b26\u4e32\uff0c\u8f6c\u6210\u6574\u6570\uff0c\u6700\u540e\u8fd4\u56de \u5982\u679c\u5f53\u524d\u7684\u6570 \u8ddf x\u76f8\u540c \u90a3\u4e48\u5c31\u662ftrue\uff0c\u5426\u5219\u5c31\u662ffalse\u3002<\/div>\n<\/div>\n<div><img loading=\"lazy\" class=\"alignnone size-large wp-image-758\" src=\"http:\/\/blog.xrhoujie.com\/wp-content\/uploads\/2021\/08\/111-1024x337.png\" alt=\"\" width=\"660\" height=\"217\" srcset=\"http:\/\/blog.xrhoujie.com\/wp-content\/uploads\/2021\/08\/111-1024x337.png 1024w, http:\/\/blog.xrhoujie.com\/wp-content\/uploads\/2021\/08\/111-300x99.png 300w, http:\/\/blog.xrhoujie.com\/wp-content\/uploads\/2021\/08\/111-768x253.png 768w\" sizes=\"(max-width: 660px) 100vw, 660px\" \/><\/div>\n<div><\/div>\n<div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u7ed9\u4f60\u4e00\u4e2a\u6574\u6570 x \uff0c\u5982\u679c x \u662f\u4e00\u4e2a\u56de\u6587\u6574\u6570\uff0c\u8fd4\u56de true \uff1b\u5426\u5219\uff0c\u8fd4\u56de false \u3002 \u56de\u6587\u6570\u662f\u6307\u6b63\u5e8f\uff08\u4ece [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":180,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[10],"tags":[19],"_links":{"self":[{"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=\/wp\/v2\/posts\/757"}],"collection":[{"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=757"}],"version-history":[{"count":1,"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=\/wp\/v2\/posts\/757\/revisions"}],"predecessor-version":[{"id":759,"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=\/wp\/v2\/posts\/757\/revisions\/759"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=\/wp\/v2\/media\/180"}],"wp:attachment":[{"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=757"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=757"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=757"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}