JavaScript debugging helper functions

debug.js

/**
 * Defines the start point of a debugging section
 * @param {string} what Decription of debug section [optional]
 * @example
 * console.beginDebugging(); // Will try to use the function name as description
 * console.beginDebugging('my method'); // Uses 'my method' as description
 */
console.beginDebugging = function beginDebugging(what) {
	var caller = console.beginDebugging.caller,
		title;

	while (caller && caller.name) {
		title = title ? title + ' < ' + caller.name : caller.name;
		caller = caller.caller;
	}

	console.groupCollapsed(what || title);
	console.time(console.beginDebugging.caller.name + ' completed in');

	console.groupCollapsed(' [stack trace]');
	console.trace();
	console.groupEnd();
};

/**
 * Defines the end point of a debugging section
 * @example
 * console.endDebugging();
 */
console.endDebugging = function endDebugging() {
	console.timeEnd(console.endDebugging.caller.name + ' completed in');
	console.groupEnd();
};