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<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/> <title>JavaScript toPrecision() Method </title> <script>var clicky_site_ids = clicky_site_ids || []; clicky_site_ids.push(101319977);</script><script async src="//static.getclicky.com/js"></script></head> <body> JavaScript toPrecision() Method example <br/><br/><br/> <script type="text/javascript"> var num = new Number(123.2323); document.write("num.toPrecision() is " + num.toPrecision()); document.write("<br />"); document.write("num.toPrecision(4) is " + num.toPrecision(2)); document.write("<br />"); document.write("num.toPrecision(2) is " + num.toPrecision(7)); document.write("<br />"); document.write("num.toPrecision(1) is " + num.toPrecision(4)); </script> </body> </html>