A friend of mine, who is not a developer by trade but deals with websites a lot, asked me recently about learning JavaScript. The short version of my recommendation is to learn jQuery. It is already installed on the sites he is working on and using it he can get results quickly.
jQuery
jQuery filter Array Method
I really enjoyed Josh Clanton’s article Filtering Arrays with Array.filter on using the JavaScript filter method(). As he points out, Because the filter method is part of the ECMAScript 5 specification, it isn’t available in older browsers like IE8. Josh then lists a couple of options to bring this functionality into older browsers (i.e. IE < 9) […]