A simple program asks the user to give a string and then the program will remove the consonants in the given string using JavaScript programming language.
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Program Listing
<html>
<h2>Remove Consonants in a String in JavaScript</h2>
<style>
body {
font-family: arial;
}
</style>
<script type="text/javascript">
function Remove_Consonants(str) {
var str = document.getElementById( 'rev_cp' ).value;
var strArr = str.split('');
for (var x = 0; x < str.length; x++) {
var char = str[x].toLowerCase();
if (char == "a" || char == "e" || char == "i" || char == "o" || char == "u") {
} else {
strArr[x] = '';
}
}
alert( "" + strArr);
return strArr.join('');
}
</script>
<form>
<input type="text" size=40 id="rev_consonants"><br><br>
<input type="button" value="Remove Consonants String" onClick="Remove_Consonants(rev_consonants)">
</form>
</html>
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