Javascript Examples

// program to check the number of occurrence of a character

function countString(str, letter) {

   let count = 0;

   // looping through the items
   for (let i = 0; i < str.length; i++) {

       // check if the character is at that position
       if (str.charAt(i) == letter) {
           count += 1;
       }
   }
   return count;

} // take input from the user const string = prompt('Enter a string: '); const letterToCheck = prompt('Enter a letter to check: ');

//passing parameters and calling the function const result = countString(string, letterToCheck);

// displaying the result console.log(result);SORT words in alphabetical order

// take input
const string = prompt('Enter a sentence: ');
// converting to an array
const words = string.split(' ');
// sort the array elements
words.sort();
// display the sorted words
console.log('The sorted words are:');
for (const element of words) {
console.log(element);

}