Each piece of the stack has little in common with any other piece. Like MEAN, LAMP is an acronym for the components used in the stack-Linux, the Apache HTTP Server, MySQL, and either PHP, Perl, or Python. This consistency stands in contrast to the hodgepodge of LAMP, the longtime staple of web application developers. Life is simpler for developers because every component of the application-from the objects in the database to the client-side code-is written in the same language.

Angular: A client-side JavaScript frameworkĪ big part of MEAN’s appeal is the consistency that comes from the fact that it’s JavaScript through and through.

Express: A server-side JavaScript framework.

MongoDB: A database server that is queried using JSON (JavaScript Object Notation) and that stores data structures in a binary JSON format.

Each of the initials in MEAN stands for a component in the stack: MEAN represents the arrival of JavaScript as a “ full-stack development” language, running everything in an application from front end to back end. Ex: $('#MyTextBox') is the equivalent of ocument.getElementById('MyTextBox').The MEAN stack is a software stack-that is, a set of the technology layers that make up a modern application-that’s built entirely in JavaScript.

I don't know why the code was written as it was but the dollar sign with selectors that you see are the jquery equivalent of document.getElementById. js fashion (document.getElementById, etc.) and others are written with dollar signs?' 'If so, why are some selectors properly written in. 'Or is this the jQuery version of the code?' In your sample code and follow up question, yes. 'So, right now, I'm using both basic Javascript and jQuery, correct?' A quick google search will tell you more of what you are looking for than what i can sit here and type. For more info on this, I suggest you reference the links i've provided. 'Īt a basic level, jquery is a wrapper around javascript to make a lot of javascript code more easily written. 'I'm wondering about the difference between the two. Looks like Karthik Bangalore provided you your code as straight jquery.īut to clarify some of your other questions.

What is mean in javascript