Node.js: How to write node.js code locally and test using the command line

The first thing we want to do when getting ready to code in node.js is make sure that Node and NPM are installed on our machine. Start by opening a command window and type the command node -v. Then check to confirm that NPM is installed also using the command npm -v: Once that is … Continue reading Node.js: How to write node.js code locally and test using the command line

AngularJS: How to use ng-show to hide or reveal elements on click

In this article, I will describe how to use the AngularJS directive ng-show for clicking a button to reveal hidden data. The steps below demonstrate how to use AngularJS to hide or reveal data based on clicking an element. In a combination of HTML and JavaScript, it uses AngularJS directives ng-app, ng-controller, ng-click, ng-show, and … Continue reading AngularJS: How to use ng-show to hide or reveal elements on click

jQuery: How to detect if JavaScript and jQuery are working in a sandbox environment

Recently I was working in a Piano template sandbox environment where I could edit HTML and CSS code to build a Piano template. This sandbox uses AngularJS, HTML, and CSS, but I wanted to see if it provided JavaScript and jQuery functionality so that I could enhance the template I was working on with some … Continue reading jQuery: How to detect if JavaScript and jQuery are working in a sandbox environment

How to test production code with Chrome Developer Tools “overrides” feature

Let’s say you are tracking down a bug where a page on the live site behaves differently than the same page in the local environment. There is a way to run tests of the live code via Chrome Developer Tools that does not require pushing test code to production. It is called “overrides”: Step 1: … Continue reading How to test production code with Chrome Developer Tools “overrides” feature