Amir Harel

'Blog' Category

• Feb

  21

  2010

  Debugging Firefox Extension Using Log File

  Problog
  In this post I will cover the following topics:

  Understanding debug requirements
  Using the Mozilla preferences service to store debug mode
  Using Mozilla file I/O to write debug messages into a file

  In one of me recent post I’ve talked about how to setup a development environment in Firefox. One of the problems in developing firefox [...]

  posted in Blog by Amir Harel

• Feb

  16

  2010

  Object Oriented Javascript

  Problog
  This post will cover the following topics:

  Javascript is not a toy!
  How to define a class
  How to set Publich methods
  How to set Private variables
  How to set static methods

  JavaScript for Dummies?
  Programming languages are like football teams – it doesn’t matter which you like, you will support it and protect its interest no matter what. Back in the [...]

  posted in Blog by Amir Harel

• Feb

  09

  2010

  Setting a Nested Object with a String Key

  In one of the projects that I’m working on I had to setup a property of an object in a general way. In order to do so, i wrote the following function:

  function setValue(key,value,obj){
  obj[key.toString()] = value;
  }

  so calling the functuion like so

  var obj = { a:1,b:2,c:3 };
  setValue( "a" , 2 , obj );

  will [...]

  posted in Blog by Amir Harel

• Jan

  31

  2010

  Testing Browsers Javascript Engine

  Problog
  This post cover the following topics:

  Song of the post
  Code for testing Javascript engine
  Results

  Song of the Post – James Blackshaw – Cross
  I decided to combine my two favorite things – javascript and music. So I’ll try to add a song which either i listened to during the writing of the post, or i just kept listening [...]

  posted in Blog by Amir Harel

• Jan

  25

  2010

  Using caller and callee for Stack Trace

  Problog
  This post cover the following topics:

  arguments object
  caller object
  callee object
  introduce a simple stack trace function for all browsers

  When i wad first introduced to the arguments object and its caller property i thought about all the cool things i can do with it (yes i’m a geek).
  What is arguments Object
  The arguments object is accessible within the body [...]

  posted in Blog by Amir Harel