我只是在节点repl中尝试lodash。
首先我要求lodash
_ = require('lodash')
然后我尝试其中一个功能
_.without([1,2,3], 1)
[ 2, 3 ]
但是,如果我再次运行
> _.without([1,2,3], 1)
TypeError: Object 2,3 has no method 'without'
at repl:1:4
at REPLServer.self.eval (repl.js:110:21)
at Interface.<anonymous> (repl.js:239:12)
at Interface.EventEmitter.emit (events.js:95:17)
at Interface._onLine (readline.js:202:10)
at Interface._line (readline.js:531:8)
at Interface._ttyWrite (readline.js:760:14)
at ReadStream.onkeypress (readline.js:99:10)
at ReadStream.EventEmitter.emit (events.js:98:17)
at emitKey (readline.js:1095:12)
现在_(lodash lib)是一个数组?
答案 0 :(得分:3)
因为在nodejs中,REPL _是最后一个表达式的结果。你不应该在nodejs REPL中使用_作为任何东西。