strmanipulation.html
<HTML>
<BODY>
<script language="Javascript">
var a=prompt("Enter any string for manipulation","mapple");
document.write("given string is "+a);
document.write("<br><br>");
document.write("Length of the given string is "+a.length);
document.write("<br><br>");
document.write("Given string displayed in lowercase "+a.toLowerCase( ));
document.write("<br><br>");
document.write("Given string displayed in uppercase "+a.toUpperCase( ));
document.write("<br><br>");
document.write("Extracts from the given string(0,2): "+a.substring(0,2));
document.write("<br><br>");
var r=prompt("Enter any character to replace ");
var t=prompt("Enter any character to replace with ");
document.write("String Replace("+r+","+t+") is "+a.replace(r,t));
document.write("<br><br>");
var b=prompt("Enter any string to combine ","street");
document.write("String concatenation ("+a+","+b+") is "+a.concat(b));
</script>
</BODY>
</HTML>
OUTPUT:
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