javasscript\u5220\u9664\u6570\u7ec4\u76843\u79cd\u65b9\u6cd5 <\/p>\n
1\uff0c\u7528shift()\u65b9\u6cd5 <\/p>\n
shift\uff1a\u5220\u9664\u539f\u6570\u7ec4\u7b2c\u4e00\u9879\uff0c\u5e76\u8fd4\u56de\u5220\u9664\u5143\u7d20\u7684\u503c\uff1b\u5982\u679c\u6570\u7ec4\u4e3a\u7a7a\u5219\u8fd4\u56deundefined <\/p>\n
var chaomao=[1,2,3,4,5] <\/p>\n
var chaomao.shift()\/\/\u5f97\u52301 <\/p>\n
alert(chaomao)\/\/[2,3,4,5]<\/p>\n
2\uff0c\u7528pop()\u65b9\u6cd5 <\/p>\n
pop\uff1a\u5220\u9664\u539f\u6570\u7ec4\u6700\u540e\u4e00\u9879\uff0c\u5e76\u8fd4\u56de\u5220\u9664\u5143\u7d20\u7684\u503c\uff1b\u5982\u679c\u6570\u7ec4\u4e3a\u7a7a\u5219\u8fd4\u56deundefined <\/p>\n
var chaomao=[1,2,3,4,5] <\/p>\n
var chaomao.pop()\/\/\u5f97\u52305 <\/p>\n
alert(chaomao)\/\/[1,2,3,4] <\/p>\n
\u524d\u9762\u7684\u65b9\u6cd5\u53ea\u80fd\u64cd\u4f5c\u6570\u7ec4\u5f00\u5934\u548c\u7ed3\u5c3e\uff0c\u65e0\u6cd5\u64cd\u4f5c\u4e2d\u95f4\u9879\uff0c\u5982\u679c\u8981\u64cd\u4f5c\u4e2d\u95f4\u7684\u9879\uff0c\u4f7f\u7528splice\u65b9\u6cd5<\/p>\n
3\uff0c\u7528splice\u65b9\u6cd5 <\/p>\n
\u8fd9\u4e2a\u65b9\u6cd5\u5f88\u5f3a\u5927\uff0c\u53ef\u4ee5\u5bf9\u6570\u7ec4\u4efb\u610f\u9879\u8fdb\u884c\u589e\u52a0\uff0c\u5220\u9664\uff0c\u66ff\u6362\u64cd\u4f5c<\/p>\n
\u5220\u9664\u64cd\u4f5c\uff1a <\/p>\n
var chaomao=[1,2,3,4,5] <\/p>\n
chaomao.splice(2,1) <\/p>\n
alert(chaomao)\/\/1,2,4,5 <\/p>\n
\u4e0a\u9762\u4f8b\u5b50\u4e2d\uff0c\u628achaomao\u4e2d\u7684\u4f4d\u7f6e2\u540e\u76841\u9879\u66ff\u6362\u6210\u7a7a\u7684\uff0c\u56e0\u4e3a\u540e\u9762\u6ca1\u6709\u5185\u5bb9\uff0c\u7ed3\u679c\u53ef\u4ee5\u770b\u5230\uff0c\u628a3\u8fd9\u9879\u5220\u9664\u4e86<\/p>\n
\u4fee\u6539\u64cd\u4f5c\uff1a <\/p>\n
var chaomao=[1,2,3,4,5] <\/p>\n
chaomao.splice(2,1,8,9) <\/p>\n
alert(chaomao)\/\/1,2,8,9,4,5 <\/p>\n
\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u51c6\u5907\u64cd\u4f5c\u7684\u6570\u7ec4\u4f4d\u7f6e\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u64cd\u4f5c\u4f4d\u7f6e\u540e\u9762\u7684\u6570\u7ec4\u9879\u6570\uff0c\u7b2c\u4e09\u4e2a\u4ee5\u540e\u7684\u5c31\u662f\uff0c\u88ab\u66ff\u6362\u540e\u7684\u5185\u5bb9 <\/p>\n
\u4f8b\u5b50\u5c31\u662f\u8868\u793a\uff1a\u4ecechaomao\u8fd9\u4e2a\u6570\u7ec4\u4f4d\u7f6e2\u5f00\u59cb\uff08\u4e5f\u5c31\u662f\u503c\u4e3a3\u7684\u90a3\u4e00\u9879\uff0c\u6570\u7ec4\u4e0b\u6807\u4ece0\u5f00\u59cb\u7684\uff09\uff0c\u4f4d\u7f6e2\u540e\u7684\u4e00\u9879\uff0c\u66ff\u6362\u6210\u62108\uff0c9 <\/p>\n
\u5982\u679c\u628a\u7b2c\u4e8c\u4e2a\u53c2\u6570\u6539\u4e3a2\uff0c\u4e5f\u5c31\u662fchaomao.splice(2,2,8,9)\uff0c\u4e5f\u5c31\u662f\u8bf4\u4f4d\u7f6e2\u540e\u9762\u7684\u4e24\u9879\u6362\u62108\uff0c9\uff0c\u6253\u5370\u51fa\u6765\u7684\u7ed3\u679c\u5c31\u662f1,2,8,9,5\uff0c3\u548c4\u8fd92\u4e24\u9879\u88ab\u6362\u6389\u4e86 <\/p>\n
\u8fd9\u91cc\u9700\u8981\u8bf4\u660e\u7684\u662f\uff0c\u88ab\u66ff\u6362\u7684\u9879\u6570\u4e0d\u4e00\u5b9a\u8981\u548c\u66ff\u6362\u7684\u9879\u6570\u76f8\u7b49\uff0c1\u9879\u53ef\u4ee5\u88ab\u6362\u62103\u9879\uff0c5\u9879\u4e5f\u53ef\u4ee5\u88ab\u6362\u62102\u9879\uff0c\u57fa\u4e8e\u8fd9\u4e2a\u539f\u7406\uff0c\u6211\u4eec\u5c31\u7528\u8fd9\u4e2a\u65b9\u6cd5\u6765\u5bf9\u6570\u7ec4\u8fdb\u884c\u6dfb\u52a0\u548c\u5220\u9664\u64cd\u4f5c<\/p>\n
\u6dfb\u52a0\u64cd\u4f5c\uff1a <\/p>\n
var chaomao=[1,2,3,4,5] <\/p>\n
chaomao.splice(2,0,8,9) <\/p>\n
alert(chaomao)\/\/1,2,8,9,3,4,5 <\/p>\n
\u4e0a\u9762\u4f8b\u5b50\u4e2d\uff0c\u628achaomao\u4e2d\u4f4d\u7f6e2\u540e\u76840\u9879\u6362\u62108,9\uff0c\u4e5f\u5c31\u7b49\u4e8e\u6dfb\u52a0\u4e86\u4e24\u9879 <\/p>\n
\u5176\u5b9e\uff0c\u5220\u9664\u548c\u6dfb\u52a0\u64cd\u4f5c\u90fd\u53ea\u662fsplice\u4fee\u6539\u65b9\u6cd5\u7684\u4e24\u79cd\u884d\u751f\u7f62\u4e86<\/p>\n
javasscript\u5220\u9664\u5bf9\u8c61\u7684\u65b9\u6cd5 <\/p>\n
js\u4e2d\u5220\u9664\u5bf9\u8c61\u5143\u7d20\u7528delete\u64cd\u4f5c\u7b26 <\/p>\n
\u6211\u4eec\u6765\u770b\u770b\u4e00\u4e2a\u4f8b\u5b50<\/p>\n
\u590d\u5236\u4ee3\u7801 <\/p>\n
var p ={ <\/p>\n
\u201cname\u201d: \u201cchaomao\u201d, <\/p>\n
\u201cage\u201d:45, <\/p>\n
\u201csex\u201d:\u201dmale\u201d <\/p>\n
}; <\/p>\n
delete p.name <\/p>\n
for(var i in p){ <\/p>\n
console.log(i);\/\/\u8f93\u51faage,sex\uff0cname\u9879\u5df2\u7ecf\u88ab\u5220\u9664\u4e86 <\/p>\n
} <\/p>\n
\u590d\u5236\u4ee3\u7801 <\/p>\n
\u6dfb\u52a0json\u5143\u7d20\u7684\u65b9\u6cd5<\/p>\n
var json = {}; \/\/ \u5982\u679cjson\u5df2\u7ecf\u5b9a\u4e49\u5c31\u8df3\u8fc7 <\/p>\n
json[text] = value; <\/p>\n
json.text2 = value2; \/\/ \u6b64\u65f6text2\u5fc5\u987b\u7b26\u5408\u53d8\u91cf\u540d\u6807\u51c6\uff0c\u5426\u5219\u5f97\u4f7f\u7528\u6570\u7ec4\u65b9\u5f0f\u8d4b\u503c<\/p>\n
\u6b22\u8fce\u5206\u4eab\u672c\u6587\uff0c\u8f6c\u8f7d\u8bf7\u4fdd\u7559\u51fa\u5904\uff1a\u524d\u7aefABC<\/a> » js\u6570\u7ec4\u4ee5\u53cajson\u5143\u7d20\u7684\u64cd\u4f5c-\u589e\u5220\u6539\u67e5<\/a><\/p>","protected":false},"excerpt":{"rendered":" javasscript\u5220\u9664\u6570\u7ec4\u76843\u79cd\u65b9\u6cd5 1\uff0c\u7528shift()\u65b9\u6cd5 shift\uff1a\u5220\u9664\u539f\u6570\u7ec4\u7b2c\u4e00\u9879\uff0c\u5e76\u8fd4\u56de\u5220\u9664\u5143\u7d20\u7684\u503c\uff1b\u5982\u679c\u6570\u7ec4\u4e3a\u7a7a\u5219\u8fd4\u56deundefined var […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"_links":{"self":[{"href":"http:\/\/www.qdabc.cn\/index.php?rest_route=\/wp\/v2\/posts\/1894"}],"collection":[{"href":"http:\/\/www.qdabc.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.qdabc.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.qdabc.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.qdabc.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1894"}],"version-history":[{"count":1,"href":"http:\/\/www.qdabc.cn\/index.php?rest_route=\/wp\/v2\/posts\/1894\/revisions"}],"predecessor-version":[{"id":1895,"href":"http:\/\/www.qdabc.cn\/index.php?rest_route=\/wp\/v2\/posts\/1894\/revisions\/1895"}],"wp:attachment":[{"href":"http:\/\/www.qdabc.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1894"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.qdabc.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1894"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.qdabc.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1894"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}