Sorted:

Why is document.forms[“myform”][“input”].value return undefined-Collection of common programming errors

jQuery depreciated function for cross domain response-Collection of common programming errors

javascript making variable an element-Collection of common programming errors

jQuery: PrettyPhoto in Bootstrap isn't working-Collection of common programming errors

Parsley.js console errors-Collection of common programming errors

Use jQuery selector as method-Collection of common programming errors

JavaScript Validation (Colorbox)-Collection of common programming errors

2 or 4 Digit Date Validation with Javascript String Replacement-Collection of common programming errors

livevalidation.js custom username check function-Collection of common programming errors

jQuery Error HierarchyRequestError: DOM Exception 3-Collection of common programming errors