Percent of Increase - JavaScript Equivalent Codes

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.

Script Demo:

Demo

JavaScript Code:

Insert this code into <head> tags

<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 -->
<!-- Road to webmaster http://www.road2webmaster.com -->

<!-- Begin
function findIncrease(form) {
var num1 = form.num1.value;
var num2 = form.num2.value;
return ((num2 - num1) / num1 * 100 + "%");
}
//  End -->
</script>

Insert this code into <body> tags

<center>
<form name=increaseform>
Enter the two numbers to determine the percent of increase:<br>
<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);"><br>
The percentage of increase is <input type=text name=answer size=6>
</form>
</center>

Instruction:

Modify the table style to suit your site.

Webmaster » Web Programming » JavaScript » Equivalents » Percent of Increase

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