'************************************** ' Name: Count Capital and Small Letters ' in JQuery ' Description:A simple program that I wr ' ote that will ask the user to give a str ' ing or a word and then our program will ' count how many capital and small letters ' found in the word,string or sentence usi ' ng JQuery as our JavaScript library. Add me at Facebook my address is jakerpomperada@gmail.com and jakerpomperada@yahoo.com. My email address are the following jakerpomperada@gmail.com and jakerpomperada@yahoo.com. My mobile number here in the Philippines is 09173084360. ' By: Jake R. Pomperada ' ' ' Inputs:None ' ' Returns:None ' 'Assumes:None ' 'Side Effects:None '************************************** <html> <head> <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script> <title>Count Capital and Small Letters in JQuery</title> <style> body{ font-family:arial; font-size:15px; font-weight:bold; } </style> <script> $(function(){ $("#count").click(function(){ if (document.getElementById("str").value == '') { alert("Textbox is Empty !!! Please provide some string."); document.getElementById("str").value = ""; document.getElementById("upper_str").value = ""; document.getElementById("lower_str").value = ""; document.getElementById("str").focus(); } else { var str1 = document.getElementById("str").value; var numUpper = str1.length - str1.replace(/[A-Z]/g, '').length; var numLower = str1.length - str1.replace(/[a-z]/g, '').length; var result = document.getElementById("upper_str"); var result2 = document.getElementById("lower_str"); result.value = numUpper; result2.value = numLower; } }); }); $(function(){ $("#clear").click(function(){ document.getElementById("str").value = ""; document.getElementById("upper_str").value = ""; document.getElementById("lower_str").value = ""; document.getElementById("str").focus(); }); }); </script> </head> <body> <br><br> <h3>Count Capital and Small Letters in JQuery</h3> <br> Enter a String <input type="text" id="str" name="str" value="" size="30" autofocus/> <br><br> <input type="button" name="Submit" id="count" value="Count" title="Click here to count the capital and small letters."/> &nbsp;&nbsp;&nbsp;&nbsp; <input type="button" name="Submit" id="clear" value="Clear" title="Click here to clear the text box."/> <br><br><br><br> Number of Capital Letter(s) is <input type="text" id="upper_str" name="upper_str" size="3"/> <br><br> Number of Small Letter(s) is <input type="text" id="lower_str" name="lower_str" size="3"/> </body> </html>