| <!DOCTYPE html> |
| <html> |
| <!-- |
| Copyright 2007 The Closure Library Authors. All Rights Reserved. |
| |
| Use of this source code is governed by the Apache License, Version 2.0. |
| See the COPYING file for details. |
| --> |
| <head> |
| <title>Debug</title> |
| <script type="text/javascript" src="../base.js"></script> |
| |
| <script type="text/javascript"> |
| |
| goog.require('goog.debug'); |
| goog.require('goog.debug.FancyWindow'); |
| goog.require('goog.log'); |
| /** |
| * Person - a sample person object. |
| * @param {string} name The name |
| * @param {number} age The age |
| */ |
| var Person = function(name, age) { |
| this.name_ = name; |
| this.age_ = age; |
| this.address_ = null; |
| this.kids_ = []; |
| |
| /** |
| * Set the address. |
| * @param {string} address The address to set |
| */ |
| this.setAddress = function(address) { |
| this.address_ = address; |
| } |
| |
| /** |
| * Add a child. |
| * @param {Object} child The child to add |
| */ |
| this.addChild = function(child) { |
| this.kids_.push(child); |
| } |
| |
| /** |
| * Create a string representation of the object. |
| * @return {string} The object as a string |
| */ |
| this.toString = function() { |
| return 'Person name: ' + this.name_ + ' Age: ' + this.age_; |
| } |
| } |
| |
| /** |
| * Demonstrate the debug options. |
| */ |
| var demoDebug = function() { |
| // Create the debug window. |
| var debugWindow = new goog.debug.FancyWindow('main'); |
| debugWindow.setEnabled(true); |
| debugWindow.init(); |
| |
| // Create a logger. |
| var theLogger = goog.log.getLogger('demo'); |
| goog.log.info(theLogger, 'Logging examples'); |
| |
| // Create a simple object. |
| var someone = {'name': 'joe', |
| 'age': 33, |
| 'gender': 'm', |
| 'kids': ['jen', 'sam', 'oliver'], |
| 'address': '233 Great Road, Axtonhammer, MD'}; |
| |
| // Show the object, note that it will output '[object Object]'. |
| goog.log.info(theLogger, someone); |
| // Use expose to walk through the object and show all data. |
| goog.log.info(theLogger, 'Person: '+ goog.debug.expose(someone)); |
| |
| // Now create a Person object to demonstrate expose w/functions. |
| var pObj = new Person('fred', 2); |
| // Add a child, and an address. |
| pObj.addChild(someone); |
| pObj.setAddress('1 broadway, ny, ny'); |
| |
| // The toString will be called. |
| goog.log.info(theLogger, 'toString: '+ pObj); |
| // Does not show the functions by default. |
| goog.log.info(theLogger, 'expose (no functions): ' + goog.debug.expose(pObj)); |
| // You can specify false if you really want to. |
| goog.log.info(theLogger, 'expose (no functions): ' + goog.debug.expose(pObj, false)); |
| // Shows the functions as well. |
| goog.log.info(theLogger, 'expose (w/functions): ' + goog.debug.expose(pObj, true)); |
| |
| // Show deepExpose, which walks recursively through data. |
| goog.log.info(theLogger, 'deepExpose (no functions): '+ goog.debug.deepExpose(pObj)); |
| // You can specify false if you really want to. |
| goog.log.info(theLogger, 'deepExpose (no functions): '+ |
| goog.debug.deepExpose(pObj, false)); |
| goog.log.info(theLogger, 'deepExpose (w/functions): '+ |
| goog.debug.deepExpose(pObj, true)); |
| |
| goog.log.log(theLogger, goog.log.Level.SHOUT, 'shout'); |
| goog.log.error(theLogger, 'severe'); |
| goog.log.warning(theLogger, 'warning'); |
| goog.log.info(theLogger, 'info'); |
| goog.log.fine(theLogger, 'fine'); |
| } |
| |
| |
| </script> |
| <body> |
| Look in the log window for debugging examples. |
| </body> |
| <script> |
| // Call the demo method. |
| demoDebug(); |
| </script> |
| </html> |
