Chamada de função javascript

Chamada de função javascript

by guidi

HTML

<!DOCTYPE html>
<html>
<head>
<script>
// dec2hex :: Integer -> String
function dec2hex (dec) {
  return ('0' + dec.toString(16)).substr(-2)
}

// generateId :: Integer -> String
function generateId (len) {
  var arr = new Uint8Array((len || 40) / 2)
  window.crypto.getRandomValues(arr)
  return Array.from(arr, dec2hex).join('')
} 

window.onload = function(){
 document.getElementById('paragrafo').innerHTML = "GeneratedId: id=" +generateId(20);
}


</script>
  <meta charset="utf-8">
  <title>Random String Generator</title>
</head>
<body>
  <p id="paragrafo"> </p>
</body>
</html>