jquery 實現倒計時60秒並清除定時器項目中很常見

 

var wait=60;
$('#AutoCode').text(wait+'s');
timer = setInterval(function(){
    if(wait==0){
        $('#AutoCode').text('獲取驗證碼');
        clearInterval(timer)
    }else{
        wait--;
        $('#AutoCode').text(wait+'s');
    }
},1000);