diff --git a/app.js b/app.js
new file mode 100644
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--- /dev/null
+++ b/app.js
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+// Function #1: Array Slice
+const foods = ['pizza', 'burger', 'fingerChips', 'donuts', 'springRoll'];
+const modifiedFoods = foods.slice(1, 4)
+console.log("Slice result:", modifiedFoods);
+
+// Function #2: Array Splice
+const foods1 = ['pizza', 'burger', 'fingerChips', 'donuts', 'springRoll'];
+foods1.splice(2, 0, 'noodles', 'iceCream');
+console.log("Splice result:", foods1);
+
+// Function #3: Filter
+const numberArray = [12, 324, 213, 4, 2, 3, 45, 4234];
+function isEven(numberArray) {
+ return numberArray.filter(number => number % 2 === 0);
+}
+console.log("Filter by even:", isEven(numberArray));
+
+const isPrime = (numberArray) => {
+ return numberArray.filter(number => {
+ for (let i = 2; i < number; i++) {
+ if (number % i === 0) {
+ return false;
+ }
+ }
+ return true;
+ });
+}
+console.log("Filter by prime:", isPrime(numberArray));
+
+// Function #4: Reject
+const reject = (rejectArr) => {
+ return numberArray.filter(number => rejectArr.indexOf(number) === -1);
+}
+console.log("Reject by prime:", reject(isPrime(numberArray)));
+
+// Function #5: Lambda
+const isEven1 = (numberArray) => numberArray.filter(number => number % 2 === 0)
+console.log("Filter by even (lambda fn):", isEven1(numberArray));
+
+// Function #6: Map
+const myArray = [11, 34, 20, 5, 53, 16];
+const findSquareOfNumbers = (arr) => arr.map(number => number * number);
+console.log("Map squares:", findSquareOfNumbers(myArray));
+
+const myArray1 = [2, 3, 5, 10];
+const multiply = (arr) => arr.reduce((accumulator, currentValue) => accumulator * currentValue, 1);
+console.log("Using reduce to mutiply:", multiply(myArray1));
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diff --git a/index.html b/index.html
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--- /dev/null
+++ b/index.html
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+
+
+
+
+
+
+
+ Document
+
+
+
+
+ JAVASCRIPT HIGHER ORDER FUNCTIONS
+ BY SIDHARTH PJ VITFED47
+
+
+
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