1. Include Scripts

#script src="myscript.js"##/script# >>> Before closing body tag

2. Closure

A closure is a function nested inside an outer function that retains access to variables declared in the outer function

              const add = (function () {
                let count = 0;
                const nested = function () {
                  return (count = count + 1);
                };
                return nested;
              })();
        
              alert(add());
            

3. Create Arrays
   
   

               let myArray = [];
               myArray[0] = "a";
               myArray[1] = "b";
               myArray[2] = "c";
         
               myArray.forEach((element) => {
                 alert(element);
               });
             

4. myArray.join("&") >>> unite all elements in an array with a seprator
5. myArray.pop() >>> Delete the last elements and returns its value
6. myArray.push("myString") >>> To add an element and return the length
7. shift(delete) and unshift(add) >>> have similar function as pop/push but it's on the first element instead
8. myArray.reverse() >>> To reverse/
9. myArray.slice(1,3) >>> To slice an array, similar to that of python
10. myArray.sort().reverse().sort() >>> To sort an array

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