Mega Code Archive
Using the indexOf() Method to Find All Occurrences of the Letter e in a Sentence
<![CDATA[
<html>
<body>
<script type="text/javascript" language="JavaScript1.1">
<!--
// Declare variables
var pos = 0;
var num = -1;
var i = -1;
var graf = "This is a test";
// Search the string and counts the number of e's
while (pos != -1) {
pos = graf.indexOf("e", i + 1);
num += 1;
i = pos;
}
// Write the response to the page
document.write(graf+"<br>")
document.write("There were " + num + " e's in that paragraph."); document.close();
//-->
</script>
</body>
</html>
]]>