Javascript Video Tutorial Podcast » Podcast Feed

Javascript Tutorial 10: Show and Hide Logical Divisions with Javascript, CSS and HTML

mlassoff — Thu, 29 Sep 2011 15:44:46 +0000

With just a little Javascript knowledge you can create a sliding div effect that is commonly seen on the web. In this video tutorial, Mark will show you how to create a sliding div within the browser. The sliding div reveals … Continue reading →

Javascript Tutorial 9: Simple Ajax Example

mlassoff — Thu, 29 Sep 2011 15:33:26 +0000

Ajax is an important technology that is behind the front end of many of today’s web sites. Ajax technology, which is coded in Javascript, allows your page to communicate with the server behind the scenes. This behind the scenes communication … Continue reading →

Javascript Tutorial 8: getElementById()

mlassoff — Thu, 15 Sep 2011 18:54:36 +0000

The Javascript getElementById method is, perhaps, one of the most important methods in the language. It allows you to access in HTML element that has an id attribute and value. Once you access the element you can manipulate its stylesheet, read its content, or change its internal HTML. In this tutorial Mark demonstrates the Javascript getElementById method and explains how you can use it most effectively.

Javascript Video Tutorial 7: Functions

mlassoff — Mon, 24 Jan 2011 07:10:03 +0000

Functions allow you to create a piece of code and execute at any point during the execution of the program. This video discusses functions, function calls, passing arguments to a function, returning values from a function, and the scope of variables within a function. Continue reading →

Javascript Video Tutorial 6: The String Object

mlassoff — Sun, 14 Nov 2010 23:54:57 +0000

String and the string object allow you to work with text in Javascript. This video introduces creating strings and using the string object. The string.length property is demonstrated as well as several important methods you can use with Strings. Continue reading →

Javascript Video Tutorial 5: Arrays

mlassoff — Sun, 14 Nov 2010 20:03:21 +0000

Arrays are important objects in all programming languages. The concept of arrays in Javascript allows you to store several values in a single variable. For example, you could store an entire list of names, or an entire list of GPA's in a single array. This tutorial will show you several methods for declaring an array. You will also learn how to modify the values stored in an array. Additionally, to methods of extracting array values with loops will be discussed. Continue reading →

Javascript Video Tutorials 4: Loops

mlassoff — Sun, 31 Oct 2010 22:35:22 +0000

Loops are another structure that are common to most programming languages. Loops allow you to repeat a section of code a known number of times. This fourth Javascript tutorial discusses the three primary kinds of loops: for loops, while loops and do…while loops. It also discusses the use of logical operators and statements to determine when a loop terminates. Continue reading →

Javascript Video Tutorials 3: Branching and Conditionals

mlassoff — Sun, 31 Oct 2010 22:33:41 +0000

In this segment of the Javascript Tutorial we’ll look at conditionals– namely the “if” statement. The if statement is used for a program to make a decision based on some logical test. For example “if” the player’s score is higher than the high score, than the players score is the new high score. Each if statement is paired with an expression which evaluates to true or false and the if code block as associated else blocks are– or are not– executed. It’s easy! Continue reading →

Javascript Video Tutorials 2: Variables

mlassoff — Sun, 31 Oct 2010 22:31:25 +0000

In this second tutorial on the Javascript language we’ll take a close look at variables. Variables are a central concept in all programming languages. This tutorial covers declaring variables, initializing variables, combined declaration and initialization of variables, the assignment operator, concatenation operator, mathematical operators and string verus number variables. Continue reading →

Javascript Video Tutorials 1: Hello World

mlassoff — Sun, 31 Oct 2010 22:29:11 +0000

Javascript is growing in use and importance. Learning Javascript is critical for most web, software and eLearning developers. This lesson is a gentle introduction to Javascript. You should know HTML before attempting to follow this lesson. In this lesson we’ll go over:

document.write()
Placing Javascript in the head, body and attaching javascript files
Basic usage of a function
Basic onclick even function call