JavaScript Array Basics

• JavaScript arrays are not truly multi dimensional they are more like arrays of arrays . Like matrix
• Methods
• Join()
• Split()
• Reverse() takes no element and reverse in place
• Sort() takes no argument and sort in place
• Concat()
• Slice()
• Splice() with bang. First arg is start pt and # of elements
• Slice() 
• Push() with bang
• Pop() with bang
• Unshift() operates on beginning of stack 
• Shift() operates at beginning of stack
• forEach()
• Map()
• Filter()
• Every() if all passes return true else false 
• Some() if some passes return true else false
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