摘要：1. var c = 1; function a () { var c =1; c = c+2; console.log('fn : '+c) }; a();//3 console.log( c) //1 阅读全文

摘要：1.var c = 1; function c(c){ console.log(c) } c(2) // c is not a function 2. var c = 1; function c (){} console.log(typeof c) //'number' 3. if(!b in wi 阅读全文

摘要：1.导出 //导出name1,name2,name3，name的key值 redis-cli -h 127.0.0.1 -a 123 -p 6300 --scan --pattern "name*" >> testredis.json 阅读全文

摘要：const OSS = require('ali-oss') let client = new OSS({ region: 'oss-cn-najing', accessKeyId: 'youid', accessKeySecret: 'yoursecret', bucket: 'yourbucke 阅读全文