by Elisabeth Robson | May 21, 2014 | blog, JavaScript, JSVideo, Teaser Video, Video
Or, What it really means when people say “Everything in JavaScript is an object” When you begin programming with JavaScript you might run across books, tutorials, and people who say “Everything in JavaScript is an object.” While it’s not...
by Elisabeth Robson | May 14, 2014 | blog, JavaScript, JSVideo, Teaser Video, Video
Keeping track of this In JavaScript, the special variable this is used to refer an object. But which object this refers too depends on the code you’re executing and how this is used. So, a common problem for those learning JavaScript is keeping track of the...
by Elisabeth Robson | May 7, 2014 | blog, JavaScript, JSVideo, Teaser Video, Video
The Document Object Model (DOM) The secret to getting your web pages to do your bidding with code is to use JavaScript to manipulate the Document Object Model, or DOM. The DOM is an upside-down tree-like structure that the browser uses to represent your web page...
by Elisabeth Robson | May 5, 2014 | blog, JavaScript, JSVideo, Teaser Video, Video
JavaScript Scope Now that Head First JavaScript Programming is done, we’ve got a few more Head First JavaScript Programming teasers for you. The book is aimed at those of you who are learning JavaScript from the ground up, and our goal with these teasers is to tease...
by Elisabeth Robson | Mar 26, 2014 | blog, JavaScript, JSVideo, Teaser Video, Video
In Head First JavaScript Programming, we use the developer console in the browser to test code, and to debug our code when we have problems. The developer console in each browser is a little bit different, but they all do basically the same things. First, read our...
by Elisabeth Robson | May 21, 2013 | blog, JavaScript, JSVideo, podcast, Teaser Video, Video
When you begin programming in JavaScript, you’ll need to use variables. A variable is just a bit of storage to hold a value. Just about every line of code you write will use a variable of one kind or another, so it’s a good idea to get familiar with the...
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