{"id":697,"date":"2020-01-22T13:25:09","date_gmt":"2020-01-22T05:25:09","guid":{"rendered":"http:\/\/blog.xrhoujie.com\/?p=697"},"modified":"2020-01-19T13:29:07","modified_gmt":"2020-01-19T05:29:07","slug":"%e5%b8%b8%e7%94%a8-%e5%b0%86%e6%95%b0%e7%bb%84%e7%9a%84%e9%87%8d%e5%a4%8d%e5%85%83%e7%b4%a0%e5%8e%bb%e6%8e%89%ef%bc%8c%e5%b9%b6%e8%bf%94%e5%9b%9e%e6%96%b0%e7%9a%84%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"http:\/\/blog.xrhoujie.com\/?p=697","title":{"rendered":"\u5e38\u7528—\u5c06\u6570\u7ec4\u7684\u91cd\u590d\u5143\u7d20\u53bb\u6389\uff0c\u5e76\u8fd4\u56de\u65b0\u7684\u6570\u7ec4"},"content":{"rendered":"

var arr = [1,1,1,2,3,4,1,3,6,7,3,5];\/\/\u58f0\u660e\u4e00\u4e2a\u542b\u6709\u91cd\u590d\u503c\u5f97\u6570\u7ec4
\nfunction unique(arr){\/\/\u521b\u5efaunique\u51fd\u6570
\nfor(var i = 0;i < arr.length;i++){\/\/\u904d\u5386\u6570\u7ec4
\nfor(var j = i + 1;j < arr.length;j++){\/\/i\u5206\u522b\u4e8ei+1\u548c\u540e\u9762\u7684\u4f9d\u6b21\u8fdb\u884c\u6bd4\u8f83
\nif(arr[i]==arr[j]){\/\/\u5982\u679c\u76f8\u7b49\uff0c\u5220\u9664j\u4e2d\u7684\u90a3\u4e2a\u503c
\narr.splice(j,1);
\nj–;\/\/\u9632\u6b62\u7b2c\u4e09\u4e2a\u53ca\u4ee5\u540e\u7684\u91cd\u590d\u7684\u5ffd\u7565\u800c\u6ca1\u6709\u8fdb\u884c\u6bd4\u8f83
\n}
\n}
\n}
\nreturn arr;
\n}<\/p>\n

\/\/\u65b9\u6cd5\u4e8c:\u6570\u7ec4\u6392\u5e8f\u53bb\u91cd<\/strong><\/h4>\n

var arr = [1,1,1,2,3,4,1,3,6,7,3,5];
\narr.sort();
\nfor(var i = 0;i < arr.length-1;i++){
\nif(arr[i]==arr[i+1]){
\narr.splice(i+1,1);
\ni–;
\n}
\n}
\nconsole.log(arr);<\/p>\n

\/\/\u501f\u52a9\u5bf9\u8c61\u6765\u5b9e\u73b0
\n\/\/\u601d\u8def\uff1a\u53ef\u4ee5\u628a\u6570\u7ec4\u7684\u5143\u7d20\u5f53\u6210\u5bf9\u8c61\u7684\u5c5e\u6027\uff0c\u5982\u679c\u6ca1\u6709\u5219\u663e\u793aundefined<\/p>\n

\n\/\/\u65b9\u6cd5\u4e09:\u628a\u6570\u7ec4\u770b\u6210\u4e00\u4e2a\u5bf9\u8c61\u53bb\u91cd<\/strong><\/h4>\n

var arr = [1,1,1,2,3,4,1,3,6,7,3,5];
\nfunction unique(arr){
\nvar obj = {};\/\/\u58f0\u660e\u4e00\u4e2a\u7a7a\u5bf9\u8c61
\nvar newArr = [];\/\/\u58f0\u660e\u4e00\u4e2a\u7a7a\u6570\u7ec4\uff0c\u7528\u6765\u5b58\u653e\u6570\u7ec4\u4e2d\u53bb\u91cd\u540e\u7684\u503c
\nfor(var i = 0;i < arr.length;i++){\/\/\u904d\u5386\u6570\u7ec4
\nif(obj[arr[i]] == undefined){\/\/\u5982\u679c\u5bf9\u8c61\u4e2d\u6ca1\u6709\u8fd9\u4e2a\u5143\u7d20
\nnewArr.push(arr[i]);\/\/\u7a7a\u6570\u7ec4\u4e2d\u52a0\u5165\u8fd9\u4e2a\u5143\u7d20
\nobj[arr[i]] = 1;\/\/\u5bf9\u8c61\u8fd9\u4e2a\u5143\u7d20\u8d4b\u503c
\n}
\n}
\nreturn newArr;\/\/\u8fd4\u56de\u65b0\u6570\u7ec4\u7684\u503c
\n}
\nconsole.log(unique(arr));<\/p>\n

\n\/\/\u65b9\u6cd5\u56db:indexOf\u5c5e\u6027\u6765\u5224\u65ad<\/strong><\/h4>\n

var arr = [1,1,1,2,3,4,1,3,6,7,3,5];
\nvar newArr = [];\/\/\u58f0\u660e\u4e00\u4e2a\u7a7a\u6570\u7ec4
\nfunction unique(arr){
\nfor(var i = 0;i < arr.length;i++){\/\/\u904d\u5386\u6570\u7ec4
\nif(newArr.indexOf(arr[i])==-1){\/\/\u7528indexOf\u5224\u65ad\uff0c\u6ca1\u6709\u5c31\u52a0\u5165arr[i]\u7684\u503c
\nnewArr.push(arr[i]);
\n}
\n}
\nreturn newArr;
\n}
\nconsole.log(unique(arr));<\/p>\n","protected":false},"excerpt":{"rendered":"

var arr = [1,1,1,2,3,4,1,3,6,7,3,5];\/\/\u58f0\u660e\u4e00\u4e2a\u542b\u6709\u91cd\u590d\u503c\u5f97\u6570\u7ec4 func […]<\/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\/697"}],"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=697"}],"version-history":[{"count":1,"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=\/wp\/v2\/posts\/697\/revisions"}],"predecessor-version":[{"id":698,"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=\/wp\/v2\/posts\/697\/revisions\/698"}],"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=697"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=697"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=697"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}