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Javascript Basics

- Sum two numbers
- Comparison operators, strict equality
- Get type of value
- Get nth character of string
- Remove first n characters of string
- Get last n characters of string
- Get first n characters of string
- Extract first half of string
- Remove last n characters of string
- Return the percentage of a number
- Basic JavaScript math operators
- Check if a number is even
- How many times does a character occur?
- Check if a number is a whole number
- Multiplication, division, and comparison operators
- Check whether a string contains another string and concatenate
- Round a number to 2 decimal places
- Split a number into its digits
- Clear up the chaos behind these strings
- Return the next higher prime number
- Find next higher natural number that is divisble by y
- Insert character after every n characters (backwards)
- Find the correct word by incrementing letters in alphabet

Javascript Arrays
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Javascript Sets
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Challenge Rush

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Extract first half of string

// Write a function that takes a string (a) as argument
// Extract the first half a
// Return the result
			function
				myFunction
				(
				a
				)
				{
			
				
				
return 

			}

Test Cases:

myFunction('abcdefgh')

Expected

'abcd'

myFunction('1234')

Expected

'12'

myFunction('gedcba')

Expected

'ged'