Percent of Increase - JavaScript Made Easy: Free JavaScripts Tutorials Example Code

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Percent of Increase

Enter two numbers and JavaScript will help you determine the percent of increase. This is a perfectly simple example of using a JavaScript return function. Check it out! Enter the two numbers to determine the percent of increase: to The percentage of increase is


Insert into <HEAD>
<SCRIPT LANGUAGE="JavaScript"> <!-- Original: Joey Mornin (jmornin@gateway.net) --> <!-- Modified with permission by Ronnie T. Moore --> <!-- This script and many more are available free online at --> <!-- The JavaScript Source!! http://javascript.internet.com --> <!-- Begin function findIncrease(form) { var num1 = form.num1.value; var num2 = form.num2.value; return ((num2 - num1) / num1 * 100 + "%"); } // End --> </script>

Insert into <BODY>
<center> <form name=increaseform> Enter the two numbers to determine the percent of increase:<p> <input type=text name=num1 size=4> to <input type=text name=num2 size=4> <input type=button value="Solve" onClick="this.form.answer.value = findIncrease(this.form);"><p> The percentage of increase is <input type=text name=answer size=6> </form> </center>

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