while ,for 循环语句

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>无标题文档</title>
</head>

<body>

<script>


var count =0;

/*while(count<5){
	
  alert(count)
  count++	
}

*/

/*count =5
do{
  alert(count)
  count++	
}while(count<5);*/


/*for(count=0;count<5;count+=52){
	alert(count)
}
*/
count =0;
while(1)
{
	
	if(count<5){
	  alert(count)	
	}else{
		alert( 'count不小于5')
		break
	}
	
	count++
	
}

</script>
</body>
</html>