html button 点击 显示倒计时秒数

如下:

<html>
<body>
        <input type="button" value="click" id="click" onclick="foo(this, 10000);"/>
</body>

<script>
function foo(obj, time) {
    obj.disabled = true;

    setTimeout(function() {
        var x = setInterval(function(){
                time= time - 1000; //reduce each second
                obj.value = (time/1000)%60;
                if(time==0){
                        clearInterval(x);
                        obj.value = "retry";
                        obj.disabled = false;
                }
        }, 1000);
    }, time-10000);
}
</script>
</html>

参考: 

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转载自www.cnblogs.com/pinganzi/p/9274537.html
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