js多set Interval衝突の解決方法

1733 ワード

JavaScript Set Interval

<!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=UTF-8" />  
<title>  </title>  
</head>  
<script>

	var firstInterval;
	var secondInterval;

	function start(){
		firstAlert();
		secondAlert();
	}

	function firstAlert(){
		if(firstInterval) {
			clearInterval(firstInterval);
		}
		fun1();
		firstInterval = setInterval('firstAlert()', 10000);
	}

	function secondAlert(){
		if(secondInterval) {
			clearInterval(secondInterval);
		}
		fun2();
		secondInterval = setInterval('secondAlert()', 1000);
	}

    function fun1(){  
		console.log(getNowFormatDate() + '------ fun1');
    }

	function fun2(){  
		console.log(getNowFormatDate() + '------ fun2');
    }

	function getNowFormatDate() {
		var date = new Date();
		var seperator1 = "-";
		var seperator2 = ":";
		var month = date.getMonth() + 1;
		var strDate = date.getDate();
		if (month >= 1 && month <= 9) {
			month = "0" + month;
		}
		if (strDate >= 0 && strDate <= 9) {
			strDate = "0" + strDate;
		}
		var currentdate = date.getFullYear() + seperator1 + month + seperator1 + strDate
				+ " " + date.getHours() + seperator2 + date.getMinutes()
				+ seperator2 + date.getSeconds();
		return currentdate;
	}
</script>  
<body>  
<input type="button" onclick="start()" value="  "/>
</body>  
</html>

js文字列の数字を切り取ります.