array-oprtions.js

Array/array-oprtions.js

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+const points = ["Banana", "Orange", "Coconut", "Mango"];
+
+//sort an array in descending order
+points.sort();
+
+//reverse the array
+points.reverse();
+
+
+const num1 = [11, 2, 32, 5, 12];
+
+//Creates a new array by performing a function on each array element
+const num2 = numbers1.map(myFunction);
+function myFunction(value, index, array) {
+    return value * 4;
+}
+
+//Creates a new array with all array elements that passes a test
+const num3 = num1.filter(myFunction);
+function myFunction(value, index, array) {
+    return value > 19;
+}
+
+//The every() method checks if all array values pass a test
+let all1 = num1.every(myFunction);
+
+function myFunction(value) {
+    return value > 11;
+}
+
+//The some() method checks if some array values pass a test
+let all2 = numbers.some(myFunction);
+
+function myFunction(value, index, array) {
+  return value > 13;
+}