JSFiddle - React, Tailwind, and code Playground

by Rufuus06

HTML

<!DOCTYPE html>
<html lang="en">

  <head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>toPrecision()</title>
  </head>
  
  <body>
    
    <h2>toPrecision():</h2>
    <p>Devuelve un String, con un numero con una longitud especifica.</p>
  
    <p id="exp"></p>
    
  </body>
  
</html>

JavaScript

var x = 9.548;

document.getElementById("exp").innerHTML = 
x.toPrecision() + " - (vacio)<br>" + 
x.toPrecision(2) + " - (2)<br>" + 
x.toPrecision(10) + " - (10)";