write a program to count the number of vowels in a string in javascript code example
Example 1: count vowels in javascript
const vowels = ['a', 'e', 'i', 'o', 'u', 'A', 'E', 'I', 'O', 'U'];
function countVowels(sentence) {
let counts = 0;
for(let i = 0; i < vowels.length; i++) {
if(vowels.includes(sentence[i])) {
counts++;
}
}
return console.log(counts);
}
countVowels('Hello World');
countVowels('AaEeIiOoUu');
countVowels('aaaaa');
Example 2: find vowels in string javascript
var name = userInput[0];
var count =0;
function findvowel(name)
{
var vowel = ['a','e','i','o','u','A','E','I','O','U'];
for(i=0;i<name.length;i++)
{
if(vowel.includes(name[i]))
{
count++;
}
}
return count;
}
console.log(findvowel(name));