實現發送短信驗證碼後60秒倒計時
方法一：js實現發送短信驗證碼後60秒倒計時
1、input[type=‘button’]按鈕 js方法實現
<!DOCTYPE html>
<html>
<head>
<script type="text/javascript">
var countdown=60;
function settime(obj) {
if (countdown == 0) {
obj.removeAttribute("disabled");
obj.value="免費獲取驗證碼";
countdown = 60;
return;
} else {
obj.setAttribute("disabled", true);
obj.value="重新發送(" + countdown + ")";
countdown--;
}
setTimeout(function() {
settime(obj) }
,1000)
}
</script>
<body>
<input type="button" id="btn" value="免費獲取驗證碼" onclick="settime(this)" />
</body>
</html>
方法二：jquery實現發送短信驗證碼後60秒倒計時
2、jquery方法實現
<!DOCTYPE html>
<html>
<head>
<script src="js/jquery.min.js"></script>
<script type="text/javascript">
function invokeSettime(obj){
var countdown=60;
settime(obj);
function settime(obj) {
if (countdown == 0) {
$(obj).attr("disabled",false);
$(obj).text("獲取驗證碼");
countdown = 60;
return;
} else {
$(obj).attr("disabled",true);
$(obj).text("(" + countdown + ") s 重新發送");
countdown--;
}
setTimeout(function() {
settime(obj) }
,1000)
}
}
new invokeSettime("#btn");
</script>
<body>
<button id="btn" type="button">獲取驗證碼</button>
</body>
</html>
實現發送短信驗證碼後60秒倒計時