taka2/test.html

## test.html
<html>
<head>
<script type="text/javascript">
function btn1_onClick() {
  // step 0
  var output = document.getElementById("output");
  output.innerHTML = "";

  // step 1
  a = parseInt(form1.a.value);
  while(true) {
    // step 2
    b = parseInt(Math.sqrt(a));

    // step 3
    if(b <= 1) {
      return;
    }

    // step 4
    // document.writeln("b = " + b);
    //alert("b = " + b);
    output.innerHTML+="</br>b = " + b;

    // step 5
    a = a - (b * b);

    // step 6
    if(a < 1) {
      return;
    }
  }
}
</script>
</head>
<body>
<form name="form1">
<button type="button" name="btn1" value="btn1" onClick="btn1_onClick()">
button
</button>
<input type="text" name="a"></input>
</form>

<div id="output"/>
</body>
</html>
	<html>
	<head>
	<script type="text/javascript">
	function btn1_onClick() {
	// step 0
	var output = document.getElementById("output");
	output.innerHTML = "";

	// step 1
	a = parseInt(form1.a.value);
	while(true) {
	// step 2
	b = parseInt(Math.sqrt(a));

	// step 3
	if(b <= 1) {
	return;
	}

	// step 4
	// document.writeln("b = " + b);
	//alert("b = " + b);
	output.innerHTML+="</br>b = " + b;

	// step 5
	a = a - (b * b);

	// step 6
	if(a < 1) {
	return;
	}
	}
	}
	</script>
	</head>
	<body>
	<form name="form1">
	<button type="button" name="btn1" value="btn1" onClick="btn1_onClick()">
	button
	</button>
	<input type="text" name="a"></input>
	</form>

	<div id="output"/>
	</body>
	</html>