通过jquery.cookie.js插件可以快速实现“点击获取验证码后60秒内禁止重新获取(防刷新)”的功能 先到官网(http://plugins.jquery.com/cookie/ )下载cookie插件,放到相应文件夹,代码如下: <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" …
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <script src="http://libs.baidu.com/jquery/1.10.2/jquery.min.js"></script> <script type="text/javascript"> var countdown=60; functi…
<input type="button" id="btn" value="免费获取验证码" /><script type="text/javascript">var wait=60;function time(o) {        if (wait == 0) {            o.removeAttribute("disabled");                  …
<!DOCTYPE html> <html> <head> <meta charset="UTF-8" /> <script type="text/javascript"> window.onload = function() { var getCheckNum = document.getElementById("getCheckNum"); getCheckNum.onclick =…
js 验证码 倒计时60秒 <input type="button" id="btn" value="免费获取验证码" /> <script type="text/javascript"> var wait=60; function time(o) { if (wait == 0) { o.removeAttribute("disabled"); o.value="免费获取…
<input type="button" id="btn" value="免费获取验证码" /> <script type="text/javascript"> var wait=60; function time(o) { if (wait == 0) { o.removeAttribute("disabled"); o.value="免费获取验证码"; wai…
vue实现验证码倒计时60秒的具体代码 <span v-show="show" @click="getCode">获取验证码</span> <span v-show="!show" class="count">{{count}} s</span> data(){ return { show: true, count: '', timer: null, } }, methods:{…
HTML部分 <input type="button" id="code_btn" value="获取验证码"> JS部分 //获取验证码 $(function() { $("#code_btn").on("tap", function() { if(!rex.test($("#tel").val())) { tip("请输入正确手机号"); return…
前端HMTL: <div class="form_box"> <div class="line mb40"> <div class="item">手机验证码:</div> <div class="cont"> <!--点击发送验证码后,倒计时class="count" style="block" --> <p…
__block NSInteger timeout= ; //倒计时时间 KWeakSelf dispatch_queue_t queue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, ); dispatch_source_t _timer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, , ,queue); dispatch_source_set_timer(_…