• COMMIT AND PUSH YOUR CODE OFTEN!

• understand how the web works
• front-end vs back-end
• the web app landscape
• understand JavaScript vs jQuery
• understand what the DOM is
• understand conditional statements and how they’re used
• understand functions
• invocation vs definition
• parameters vs arguments
• global and local scope
• anonymous functions
• return values and how to save the returned value to another variable
• be able to define what a closure is
• be able to identify when a closure is being used

One of the biggest tools in a developers disposal is the debugger! Chrome has one built in. To use it just open the index.html file in your browser.

Another great tool for small and isolated pieces of code is : http://www.pythontutor.com/visualize.html#