Language: C C++ D Haskell Lua OCaml PHP Perl Plain Text Python Ruby Scheme Tcl <pre> &lt;script type="text/javascript"&gt; function putunit(v,unit) { var lastunit = ''; var units = ["m","&micro;","n","p"]; var counter= 0; var value = v; while(value &lt; 1) { lastunit = units[counter]; counter++; value=value*1e3; if(counter==5) break; } value = Math.round(value*1e2)/1e2; return "&lt;B&gt;"+value+"&lt;/B&gt; "+lastunit+unit; } function pegarvalor() { var i = parseFloat(document.getElementById('valor').value); document.getElementById('resultado').innerHTML = putunit(i,"s"); } &lt;/script&gt; Insira um valor: &lt;input type="text" id="valor" name="valor"&gt; &lt;input type="button" onClick="pegarvalor();" value="Pegar"&gt;&lt;BR&gt; Resultado: &lt;div id="resultado"&gt;&lt;/div&gt; </pre> Private [?] Run code Submit