array operations

Author: imdhruvgupta

Lecture07/array_ops/ops1.js

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+let arr = [3, 4, 1, 2, 6, 7, 12, 34, 14];
+
+// Deafult Lexicographical
+// arr.sort();
+
+function compare(a, b) {
+    console.log(a, b);
+
+    if(a > b) return true;
+    else return false;
+}
+
+arr.sort(compare)
+
+console.log(arr);

Lecture07/array_ops/ops2.js

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+let arr = [1, 2, 3, 4, 5, 6, 7, 8];
+
+arr1 = arr.map((item) => item+=10)
+
+arr2 = arr.map((item) => {
+    item+=1;
+})
+
+console.log(arr2)
+console.log(arr1)

Lecture07/array_ops/ops3.js

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+let arr= [1, 2, 3, 4, 5, 6, 7]
+
+arr1 = arr.reduce((acum, item) => {
+    return acum + item
+})
+
+console.log(arr1)

Lecture07/array_ops/ops4.js

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+let arr = [
+    "Hello",
+    "Hey",
+    "Hiiiiii"
+];
+
+function filterFunction(str) {
+    if(str.length < 4) return false;
+    else return true;
+}
+
+arr1 = arr.filter(filterFunction)
+
+console.log(arr1);
+
+// One Liners
+let arr = [1, 2, 3];
+
+let mean = arr.reduce((acum, item) => {
+    return acum + item
+})/arr.length;
+
+// console.log(sum)
+console.log(mean)