Private data in objects is a trickier proposition in JavaScript than in most languages. Only the most recent spec (ES12) specifically addresses private data, so the way to hide it has until recently been to put it in a closure. … Continued
Garbage collection is a process of automatically releasing memory when it is no longer in use. In lower-level languages such as C, it is often necessary to allocate and deallocate memory manually. When creating a dynamically resizable array, for example. … Continued
Hoisting in JavaScript is often misunderstood to mean that certain bits of code get moved to the top of the page before they are executed. This is not so; what actually happens is that code does not always run in … Continued
This example uses the Handlebars API to display data. I’ll use a Web API (created by Daniel Schmitz, full database here) to get data from Microsoft’s venerable Northwind sample database, and Handlebars to display the data. Specifically, I’ll display a … Continued
Synchronous vs. Asynchronous Code By default, code in JavaScript executes synchronously, meaning one line after the next. This means that a line of code can’t execute until all of the previous lines of code in its lexical scope have finished … Continued