Tag Archives: JavaScript programming language

JavaScript Performance: for vs. while

Posted on January 24, 2012 by Stoimen

JavaScript Loops If you have read some preformance tests on JavaScript loops, you may have heard that “while” is faster than “for”. However the question is how faster is “while”? Here are some results, but first let’s take a look … Continue reading →

Posted in javascript | Tagged Computer programming, Computing, Control flow, firebug, Increment, javascript, JavaScript programming language, Software engineering, software/hardware, Technology/Internet, While loop | 3 Comments

Does JavaScript undefined Equals undefined?

Posted on October 21, 2011 by Stoimen

Weird JS As you know sometimes JavaScript can be weird. Let’s see the following example and let’s try to answer the question: does “undefined” equals “undefined”. What do I mean? First take a look at the following code. var a; … Continue reading →

Posted in javascript | Tagged Computer programming, Computing, Curly bracket programming languages, ecmascript, javascript, JavaScript programming language, js, Procedural programming languages, Scripting languages, Software engineering, tips, tricks, typeof, undefined | 6 Comments

OOP JavaScript: Accessing Public Methods in Private Methods

Posted on July 28, 2011 by Stoimen

As you know in JavaScript when you define a variable with the special word “var” the scope of this variable is within the function. So when you simply wite “var a = 5″ the variable named “a” has a global … Continue reading →

Posted in javascript, micro tutorial, web development | Tagged Accessing Private, C, Class, Computer programming, Computing, Curly bracket programming languages, javascript, JavaScript programming language, Object-oriented programming, oop, private, public, Scripting languages, Software engineering, Subroutine | 2 Comments

A JavaScript Trick You Should Know

Posted on July 12, 2011 by Stoimen

JavaScript Strings You should know that in JavaScript you cannot simply write a multilined code chunk, i.e. something like this: var str = ‘hello world’; This will result in an error, which can be a problem when you deal with … Continue reading →

Posted in javascript, micro tutorial, PHP | Tagged Brace notation, Computer programming, Computing, Concatenation, Data types, Formal languages, heredoc, html, javascript, JavaScript programming language, JavaScript syntax, js solution, PHP, possible solution, Software engineering, String | 4 Comments

Object Oriented JavaScript: Inheritance

Posted on May 30, 2011 by Stoimen

Objects and JavaScript JavaScript, being a functional language, differs from most of the procedural/object oriented languages we know. The object oriented approach in JavaScript is rather strange. However there is much power in making objects! The syntax is really odd … Continue reading →

Posted in web development | Tagged ajax, Class, code sample, code snippet, Computer programming, Computing, Curly bracket programming languages, Education, Inheritance, javascript, JavaScript programming language, JSON, Literal, object oriented, Object-oriented programming, objects, oop, oop javascript, Scripting languages, Software engineering | 11 Comments