

向标准错误流输出当前的调用栈。
语法:
 代码如下:
console.trace(label)
接收参数:
label
例子:
 代码如下:
console.trace();
 
//运行结果:
Trace:
 at Object. (/home/byvoid/consoletrace.js : 1: 71)
 at Module._compile (module.js:441:26)
 at Object..js (module.js:459:10)
 at Module.load (module.js:348:31)
 at Function._load (module.js:308:12)
 at Array.0 (module.js:479:10)
 at EventEmitter._tickCallback (node.js:192:40)
源码:
 代码如下:
Console.prototype.trace = function() {
 // TODO probably can to do this better with V8's debug object once that is
 // exposed.
 var err = new Error;
 err.name = 'Trace';
 err.message = util.format.apply(this, arguments);
 Error.captureStackTrace(err, arguments.callee);
 this.error(err.stack);
};
 
