Friday, 2 March 2012

Math.abs() in JavaScript

We can remove the sign part of the data and display the absolute value by using abs function. Here is the syntax

Math.abs(x);

Sample code is here

<script language='JavaScript' type='text/JavaScript'>
<!--
document.write(Math.abs(-5)); // output is 5
document.write("<br>");
document.write(Math.abs(5.56)); // output is 5.56
document.write("<br>");
document.write(Math.abs(-2.5)); // output is 2.5
document.write("<br>");
document.write(Math.abs(-1.355)); // output is 1.355
document.write("<br>");
//-->
</script>

abs() math function can also be used with other calculations

document.write(Math.abs(43-64)); // output is 21

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