day-7 complete

solutions/day-7/level2.js

@@ -47,3 +47,117 @@ function reverseArray(arr) {
      return rev;
 }
 // 7.question
+function capitalizeArray(arr) {
+     let newArray = arr.map((e) => {
+          return e[0].toUpperCase() + e.slice(1);
+     })
+     console.log(newArray);
+}
+// 8.question
+let arr = [];
+function addItem(item) {
+     return arr.push(item);
+}
+console.log(arr);
+// 9.question
+function removeItem(index) {
+     return arr.splice(index,1)
+}
+// 10.question
+function sumOfNumbers(min, max) {
+     let sum = 0;
+     for (let i = min; i <= max; i++){
+          sum += i;
+     }
+     return sum;
+}
+// 11.question
+function sumOfOdds(min, max) {
+     let sum = 0;
+     for (let i = min; i <= max; i++){
+          if (i % 2 !== 0) {
+               sum += i;
+          }
+     }
+     return sum;
+}
+// 12.question
+function sumOfEven(min, max) {
+     let sum = 0;
+     for (let i = min; i <= max; i++){
+          if (i % 2 === 0) {
+               sum += i;
+          }
+     }
+     return sum;
+}
+// 13.question
+function evensAndOdds(num) {
+     let evenCount = 0;
+     let oddCount = 0;
+     for (let i = min; i <= max; i++){
+          if (i % 2 === 0) {
+               evenCount++;
+          } else {
+               oddCount++;
+          }
+     }
+     console.log(`The number of odds are ${evenCount} \n The number of odds are ${oddCount}`);
+}
+// 14.question
+function sum() {
+     let sum = 0
+     for (let i = 0; i < arguments.length - 1; i++){
+          sum += arguments[i];
+     }
+     console.log(sum);
+}
+// 15.question
+function randomUserIp() {
+     let ip = [];
+     let i = 0;
+     for (let i = 0; i < 4; i++){
+          let rand = Math.floor(Math.random() * 255);
+          ip.push(rand);
+     }
+     return `${ip[i++]}.${ip[i++]}.${ip[i++]}.${ip[i++]}`;
+}
+// 16.question
+function randomMacAddress() {
+     let hex = '0123456789abcdef';
+     let mac = [];
+     let i = 0;
+     for (let i = 0; i < 6; i++) {
+          let macAddress = '';
+          for (let j = 0; j < 2; j++){
+               let rand = Math.floor(Math.random() * hex.length);
+               macAddress = macAddress + hex[rand];
+          }
+          mac.push(macAddress);
+     }
+     return `${mac[i++]}:${mac[i++]}:${mac[i++]}:${mac[i++]}:${mac[i++]}:${mac[i++]}`
+}
+console.log(randomMacAddress());
+// 17.question
+function randomHexaNumberGenerator() {
+     let hexcode = '0123456789abcdef';
+     let hex = '';
+     for (let i = 0; i < 6; i++){
+          let rand = Math.floor(Math.random() * hexcode.length);
+          hex += hexcode[rand];
+     }
+     return '#' + hex;
+}
+console.log(randomHexaNumberGenerator());
+// 18.question
+function userIdGenerator() {
+     let idcode = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
+     let id = '';
+     for (let i = 0; i < 7; i++){
+          let rand = Math.floor(Math.random() * idcode.length);
+          id += idcode[rand];
+     }
+     return  id;
+}
+console.log(userIdGenerator());
+