Jquery驗證碼倒計時
阿新 • • 發佈:2019-01-24
back 獲取 false ava else 驗證碼 jquery驗證 pre fun
html代碼:
<input type="button" value="獲取驗證碼" id="getCode" style="color:#4664E6;background:white;" />
Jquery代碼:別忘了引用jquery庫
<script type="text/javascript"> var countdown = 60; $(function () { $("#getCode").bind("click", function () { settime(); }); }) function settime(e) {if (countdown == 0) { countdown = 60; $("#getCode").val("獲取驗證碼"); $("#getCode").removeAttr("disabled"); return false; } else { countdown--; $("#getCode").val(countdown + "秒後重新獲取"); $("#getCode").attr("disabled", "disabled"); } setTimeout(function () { settime(); }, 1000); } </script>
Jquery驗證碼倒計時