How To Find Number of Vowels in a String in JavaScript OR Count Vowels in String using JavaScript C# Asp.Net
Program:
.Aspx File:
Program:
.Aspx File:
| <html> <head> <title>find number of vowels in a string in JavaScript</title> <script type="text/javascript"> function GetVowels() { var str = document.getElementById('txtname').value; var count = 0, total_vowels = ""; 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_vowels = total_vowels + str.charAt(i); count++; } } } document.getElementById('vowels').value = total_vowels; document.getElementById('vcount').value = count; } </script> </head> <body> <div > <table border="1px" cellspacing="0" width="30%" style="background-color: #B52025; color:White"> <tr><td colspan="2" align="center"><b>Get Vowels from String</b></td></tr> <tr> <td>Enter Text :</td> <td><input type='text' id='txtname' /></td> </tr> <tr> <td>Vowels Count :</td> <td><input type='text' readonly="readonly" id='vcount'/></td> </tr> <tr> <td>Total Vowels :</td> <td><input type='text' readonly="readonly" id='vowels' /></td> </tr> <tr> <td></td> <td><input type='button' value='Get Vowels Count' onclick="javascript:GetVowels();" /></td> </tr> </table> </div> </body> </html> |
Live Demo:
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