SetTimeout automatically triggers a js method

2020-03-30 01:21:28
OfStack

 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 
<html xmlns="http://www.w3.org/1999/xhtml"> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> 
<title>timeout</title> 
</head> 
<body onload="countSecond()"> 
<input type="text" id="time" style="border:0px;" size="1px"> 
</body> 
</html> 
<script> 
x = 0 
function countSecond() 
{　x = x+1 
　 document.getElementById("time").value=x; 
　 setTimeout("countSecond()", 1000) 
} 
</script>