Instructions for using the console.trace method in node.js_node.js

Method description:

Output the current call stack to the standard error stream.

Grammar:

Copy code The code is as follows:

console.trace(label)

Receive parameters:

label

Example:

Copy code The code is as follows:

console.trace();

//Run result:
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)

Source code:

Copy code The code is as follows:

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);
};