Show Output
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>JavaScript Format Numbers with Precision</title> </head> <body> <script> let x = 6.235; document.write(x.toPrecision() + "<br>"); // '6.235' document.write(x.toPrecision(3) + "<br>"); // '6.24' (note rounding) document.write(x.toPrecision(2) + "<br>"); // '6.2' document.write(x.toPrecision(1) + "<br>"); // '6' let y = 47.63; document.write(y.toPrecision(2) + "<br>"); // '48' (note rounding, no fractional part) let z = 1234.5; document.write(z.toPrecision(2)); // '1.2e+3' </script> </body> </html>
