/jsbin.xufohiqu.html

## jsbin.xufohiqu.html
<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>JS Bin</title>
</head>
<body>

  <table>
    <tr>
      <td>To Decibels</td>
      <td>Output</td>
    </tr>
    <tr>
      <td><input id="decibelsInput" onchange="decibelsInputEvent()"></input></td>
      <td><input id="decibelsOutput" disabled="true"></input></td>
    </tr>
  </table>

  <table>
    <tr>
      <td>To WM</td>
      <td>Output</td>
    </tr>
    <tr>
      <td><input onchange="wmInputEvent()" id="wmInput"></input></td>
      <td><input disabled="true" id="wmOutput"></input></td>
    </tr>
  </table>
</body>
</html>

## jsbin.xufohiqu.js

Math.logBase = function(x, base) {
  var baseLog = 0;

  if(base == 10) {
    baseLog = Math.LN10;
  }
  else if (base == 2) {
    baseLog = Math.LN2;
  }

  return Math.log(x) / baseLog;
};

Math.log10 = function(x) {
  return Math.logBase(x, 10);
};

function toDb(wm)
{
  return 10 * (Math.log10(wm / Math.pow(10, -12)));
}

function toWm(db)
{
  return Math.pow(10, db / 10) * Math.pow(10, -12);
}

var decibelsInput = document.getElementById("decibelsInput");
var decibelsOutput = document.getElementById("decibelsOutput");

var wmInput = document.getElementById("wmInput");
var wmOutput = document.getElementById("wmOutput");

function decibelsInputEvent() {
  var db = toDb(decibelsInput.value);
  if (isNaN(db)) {
     decibelsOutput.value = "Error";
  }
  else {
    decibelsOutput.value = db;
  }
}

function wmInputEvent() {
  var wm = toWm(wmInput.value);
  if (isNaN(wm)) {
     wmOutput.value = "Error";
  }
  else {
    wmOutput.value = wm;
  }
}

//var one = toDb(0.000316);
//console.log(one);
//var two = toWm(one);
//console.log(two);
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8">
	<title>JS Bin</title>
	</head>
	<body>

	<table>
	<tr>
	<td>To Decibels</td>
	<td>Output</td>
	</tr>
	<tr>
	<td><input id="decibelsInput" onchange="decibelsInputEvent()"></input></td>
	<td><input id="decibelsOutput" disabled="true"></input></td>
	</tr>
	</table>

	<table>
	<tr>
	<td>To WM</td>
	<td>Output</td>
	</tr>
	<tr>
	<td><input onchange="wmInputEvent()" id="wmInput"></input></td>
	<td><input disabled="true" id="wmOutput"></input></td>
	</tr>
	</table>
	</body>
	</html>

	Math.logBase = function(x, base) {
	var baseLog = 0;

	if(base == 10) {
	baseLog = Math.LN10;
	}
	else if (base == 2) {
	baseLog = Math.LN2;
	}

	return Math.log(x) / baseLog;
	};

	Math.log10 = function(x) {
	return Math.logBase(x, 10);
	};

	function toDb(wm)
	{
	return 10 * (Math.log10(wm / Math.pow(10, -12)));
	}

	function toWm(db)
	{
	return Math.pow(10, db / 10) * Math.pow(10, -12);
	}

	var decibelsInput = document.getElementById("decibelsInput");
	var decibelsOutput = document.getElementById("decibelsOutput");

	var wmInput = document.getElementById("wmInput");
	var wmOutput = document.getElementById("wmOutput");

	function decibelsInputEvent() {
	var db = toDb(decibelsInput.value);
	if (isNaN(db)) {
	decibelsOutput.value = "Error";
	}
	else {
	decibelsOutput.value = db;
	}
	}

	function wmInputEvent() {
	var wm = toWm(wmInput.value);
	if (isNaN(wm)) {
	wmOutput.value = "Error";
	}
	else {
	wmOutput.value = wm;
	}
	}

	//var one = toDb(0.000316);
	//console.log(one);
	//var two = toWm(one);
	//console.log(two);