简单倒计数

简单倒计数

by aisinvon

HTML

<i id="verifyTime">52</i>

JavaScript

/*(function(){*/
/*    var i=5, timeInter;
    timeInter = setInterval("time()",1000);
    function time(){
        document.getElementById("verifyTime").innerHTML = i;
        i--;
        if(i==-1){
            clearInterval(timeInter);
        }
    };
*/

function timer(timerId) {
    var time = document.getElementById(timerId).innerHTML;
    var timeInter =
    setInterval(function() {
        document.getElementById(timerId).innerHTML = time;
        time--;
        if (time == -1) {
            clearInterval(timeInter);
        }
    }, 1000);
}
timer("verifyTime"); 

/*}());*/
/*    var i=5, timeInter;
    timeInter = setInterval("time()",1000);
    function time(){
        document.getElementById("verifyTime").innerHTML = i;
        i--;
        if(i==-1){
            clearInterval(timeInter);
        }
    };
    */


/*function timer(divId){
    var timeInter,i;
    document.getElementById(divId).innerHTML = i;
    alert(i);
    if(i>0){
        timeInter = setInterval("time()",1000);
    }else if(i==0){
        clearInterval(timeInter);
    }
    function time(){
        document.getElementById("verifyTime").innerHTML = i;
        i--;
    }    
};
timer("verifyTime");*/