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JavaScript定时器演示

 

<html> 

<head> 

<script type="text/javascript"> 

var g_percentFlag; 

var g_percent = 0; 

var g_count = 0; 

function intervalPercent(path) { 

    g_count += 1; 

    document.getElementById("msg3").value = g_count; 

    if (g_percent < 100) { 

        g_percent += 20; 

        document.getElementById("msg2").value = g_percent + "%"; 

    } else if (g_percent == 100) { 

        document.getElementById("msg2").value = g_percent + "%"; 

        clearInterval(g_percentFlag); 

        g_percent = 0; 

    } else { 

        document.getElementById("msg2").value = "Error."; 

    } 

 

function getPercentage(path){ 

    g_percentFlag = setInterval("intervalPercent(\"" + path + "\")", 200);   

</script> 

</head> 

 

<body>  www.zzzyk.com

<!-- <input type="button" value="click" onclick="a=" /> --> 

<input id="msg2" type="text" /><br /> 

<input id="msg3" type="text" /><br /> 

<script> 

    getPercentage("Hello!"); 

</script> 

<input type="text" value="nothing" /> 

<input type="button" value="click" /> 

</body> 

</html> 

摘自 CodeMan's Blog

补充:web前端 , JavaScript ,
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