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anonymous.js
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anonymous.js
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// 1) Do the below programs in anonymous function
// a.Print odd numbers in an array
let odd = function (arr) {
let oddNumber = [];
for (let keys of arr) {
if (keys % 2 !== 0) {
oddNumber.push(keys);
}
}
console.log(oddNumber);
}
odd([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]);
//Output : [ 1, 3, 5, 7, 9 ]
// b.Convert all the strings to title caps in a string array
let Caps = function (arr) {
let titleCaps = []
for (let keys of arr) {
titleCaps.push((keys.charAt(0).toUpperCase()+keys.slice(1)))
}
console.log(titleCaps)
}
Caps(["raj", "bindu", "akshaya", "malathi"]);
//Output : [ 'Raj', 'Bindu', 'Akshaya', 'Malathi' ]
// c.Sum of all numbers in an array
let sum = function (arr) {
let sumOfArray = 0;
for (let value of arr) {
sumOfArray += value;
}
console.log("sum of Array:",sumOfArray)
}
sum([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]);
//Output : sum of Array: 55
// d. Return all the prime numbers in an array
let prime = function (arr) {
let primeNum = [];
for (let key of arr) {
let factor = 0;
for (let i = 2; i <= key; i++){
if (key % i === 0) {
factor++;
}
}
if (factor === 1) {
primeNum.push(key);
}
}
return(primeNum)
}
console.log("Prime Number:",prime([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]));
//Prime Number: [ 2, 3, 5, 7 ]
// e. Return all the palindromes in an array
let palindromes = function (arr) {
let palin = []
for (let keys of arr) {
let flag = true;
let word = keys.toLowerCase();
for (let i = 0; i <= word.length / 2; i++){
if (word[i] !== word[word.length - 1 - i]) {
flag = false;
}
}
if (flag) {
palin.push(keys);
}
}
return palin;
}
console.log(palindromes(["Madam", "Raja", "Pop", "King"]));
//Output : [ 'Madam', 'Pop' ]
//f. Return median of two sorted arrays of the same size
let median = function (arr1, arr2) {
let fullArray = (arr1.concat(arr2)).sort((a,b)=>a-b)
let value_1 = Math.floor((fullArray.length - 1) / 2);
let value_2 = Math.ceil((fullArray.length - 1) / 2);
let medianValue = ((fullArray[value_1] + fullArray[value_2]) / 2);
return [medianValue];
}
console.log(...median([1, 2, 3, 4, 5], [2, 4, 6, 8, 10]));
//Output : 4
// g.Remove duplicates from an array
let uniqueArray = function (arr) {
let newArray = [];
let unique = new Set(arr);
newArray.push(...unique);
return newArray;
}
console.log(uniqueArray([1, 1, 2, 3, 4, 3, 5, 7, 8, 6, 4, 5, 2, 9, 3,]));
//Output : [1, 2, 3, 4, 5,7, 8, 6, 9]
// h.Rotate an array by k times
let rotatedArray = function (arr,x) {
let rotataionValue = (x % arr.length);
let finalArray = (arr.slice(-rotataionValue).concat(arr.slice(0,arr.length - rotataionValue)))
console.log(finalArray);
}
rotatedArray(["Mustang", "Ferrari", "Bugatti", "Supra", "F1"], 3);
//output : [ 'Bugatti', 'Supra', 'F1', 'Mustang', 'Ferrari' ]