[英]how to access same functionality as console.log(Error('example')) without console.log
example:例子:
> console.log(Error('test'))
Error: test
at repl:1:13
at Script.runInThisContext (vm.js:116:20)
at REPLServer.defaultEval (repl.js:404:29)
at bound (domain.js:420:14)
at REPLServer.runBound [as eval] (domain.js:433:12)
at REPLServer.onLine (repl.js:715:10)
at REPLServer.emit (events.js:215:7)
at REPLServer.EventEmitter.emit (domain.js:476:20)
at REPLServer.Interface._onLine (readline.js:316:10)
at REPLServer.Interface._line (readline.js:693:8)
I want to store this entire string with stack as a string.我想将整个字符串与堆栈一起存储为字符串。 But this doesn't work, it doesn't have the stack.但这不起作用,它没有堆栈。 How can I access the same functionality?如何访问相同的功能?
> e = Error('test')
> console.log(e.toString())
Error: test
> console.log('' + e)
Error: test
You have to access the stack
property of the error instance:您必须访问错误实例的stack
属性:
const foo = () => { bar(); }; const bar = () => { const error = new Error('some error'); console.log(error.stack); }; foo();
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