在Node.js REPL中执行多行时出错

Question

我想在Nodes.js REPL模式下执行多行，如下所示。但我遇到了以下错误。如何解决这个问题呢？非常感谢。

{

... var foo = [];

... }

SyntaxError：意外的标识符

at Object.exports.createScript (vm.js:24:10)
at REPLServer.defaultEval (repl.js:137:25)
at bound (domain.js:280:14)
at REPLServer.runBound [as eval] (domain.js:293:12)
at REPLServer.<anonymous> (repl.js:393:12)
at emitOne (events.js:82:20)
at REPLServer.emit (events.js:169:7)
at REPLServer.Interface._onLine (readline.js:210:10)
at REPLServer.Interface._line (readline.js:549:8)
at REPLServer.Interface._ttyWrite (readline.js:826:14)

error message

Answer 1

如果要执行多行，只需定义Immediately-Invoked Function Expression，如下所示：

(function () {

    var foo = [];

})();