Find total number of vowels in a string in JavaScript:
This article explain how to find Vowels in a String and how to find total number of vowels in a string in JavaScript. I have written simple script for checking vowels in a string in JavaScript. I have used regular expression.
This article explain how to find Vowels in a String and how to find total number of vowels in a string in JavaScript. I have written simple script for checking vowels in a string in JavaScript. I have used regular expression.
<html> <head> <script> function findVowels() { var str=document.getElementById('name').value; var vowelC = 0; var total_findVowels=""; for (var i = 0; i < str.length; i++) { if (str.charAt(i).match(/[a-zA-Z]/) != null) { // findVowels if (str.charAt(i).match(/[aeiouAEIOU]/)) { total_findVowels=total_findVowels+str.charAt(i); vowelC++; } } } document.getElementById('findVowels').value=total_findVowels; document.getElementById('findVowels_count').value=vowelC; alert("Total Number of findVowels: " + vowelC); } </script> </head> <body> <div style="background-color: skyblue; padding:20px"> <table border="0" cellpadding=3" cellspacing="3"> <tr> <td> Enter Input : </td> <td> <input type='text' value='' id='name' name='name'> </td> </tr> <tr> <td> Vowels Count : </td> <td> <input type='text' readonly="true" value='' id='findVowels_count' name='findVowels_count'> </td> </tr> <tr> <td> Vowels : </td> <td> <input type='text' readonly="true" value='' id='findVowels' name='findVowels'> </td> </tr> <tr> <td colspan="2"> <input type='button' value='Check' onclick="javascript:findVowels();"> </td> </tr> </table> </div> </body> </html>
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