{"id":764,"date":"2021-08-07T10:44:57","date_gmt":"2021-08-07T02:44:57","guid":{"rendered":"http:\/\/blog.xrhoujie.com\/?p=764"},"modified":"2021-08-06T10:46:30","modified_gmt":"2021-08-06T02:46:30","slug":"javascript-%e6%95%b4%e6%95%b0%e5%8f%8d%e8%bd%ac%e6%af%8f%e6%97%a5%e4%b8%80%e9%a2%98","status":"publish","type":"post","link":"http:\/\/blog.xrhoujie.com\/?p=764","title":{"rendered":"JavaScript \u6574\u6570\u53cd\u8f6c(\u6bcf\u65e5\u4e00\u9898)"},"content":{"rendered":"

\u7ed9\u4f60\u4e00\u4e2a 32 \u4f4d\u7684\u6709\u7b26\u53f7\u6574\u6570 x \uff0c\u8fd4\u56de\u5c06 x \u4e2d\u7684\u6570\u5b57\u90e8\u5206\u53cd\u8f6c\u540e\u7684\u7ed3\u679c\u3002<\/p>\n

\u5982\u679c\u53cd\u8f6c\u540e\u6574\u6570\u8d85\u8fc7 32 \u4f4d\u7684\u6709\u7b26\u53f7\u6574\u6570\u7684\u8303\u56f4\u00a0[\u2212231,\u00a0 231\u00a0\u2212 1] \uff0c\u5c31\u8fd4\u56de 0\u3002<\/p>\n

\u5047\u8bbe\u73af\u5883\u4e0d\u5141\u8bb8\u5b58\u50a8 64 \u4f4d\u6574\u6570\uff08\u6709\u7b26\u53f7\u6216\u65e0\u7b26\u53f7\uff09\u3002
\n\u793a\u4f8b 1\uff1a<\/p>\n

\u8f93\u5165\uff1ax = 123
\n\u8f93\u51fa\uff1a321
\n\u793a\u4f8b 2\uff1a<\/p>\n

\u8f93\u5165\uff1ax = -123
\n\u8f93\u51fa\uff1a-321
\n\u793a\u4f8b 3\uff1a<\/p>\n

\u8f93\u5165\uff1ax = 120
\n\u8f93\u51fa\uff1a21
\n\u793a\u4f8b 4\uff1a<\/p>\n

\u8f93\u5165\uff1ax = 0
\n\u8f93\u51fa\uff1a0
\n\u63d0\u793a\uff1a<\/p>\n

-231 <= x <= 231 – 1<\/p>\n

 <\/p>\n

\n
\/**<\/div>\n
* @param {number} x<\/div>\n
* @return {number}<\/div>\n
*\/<\/div>\n
var reverse = function (x) {<\/div>\n
lety = parseInt(x.toString().split(“”).reverse().join(“”));<\/div>\n
if (x < 0)<\/div>\n
y = – y;<\/div>\n
returny > Math.pow(2,31) || y < -Math.pow(2,31) ? 0 : y;<\/div>\n
};<\/div>\n<\/div>\n
\"\"<\/div>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

\u7ed9\u4f60\u4e00\u4e2a 32 \u4f4d\u7684\u6709\u7b26\u53f7\u6574\u6570 x \uff0c\u8fd4\u56de\u5c06 x \u4e2d\u7684\u6570\u5b57\u90e8\u5206\u53cd\u8f6c\u540e\u7684\u7ed3\u679c\u3002 \u5982\u679c\u53cd\u8f6c\u540e\u6574\u6570\u8d85\u8fc7 32 \u4f4d\u7684\u6709 […]<\/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\/764"}],"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=764"}],"version-history":[{"count":2,"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=\/wp\/v2\/posts\/764\/revisions"}],"predecessor-version":[{"id":1028,"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=\/wp\/v2\/posts\/764\/revisions\/1028"}],"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=764"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=764"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=764"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}