clips 前端 js 倒计时 获取验证码的按钮

 1 <a href="javascript:void(0);" onclick="get_captcha()" class="btn btn-default btn6" id="for_captcha" >获取验证码</a>
 2 
 3 <script type="text/javascript">
 4  
 5 var url="/get-verify-code?phone_number=";
 6 var i;
 7           
 8 function count_down(){
 9       i=i-1;
10       $(‘#for_captcha‘).attr(‘disabled‘,‘disabled‘);
11       $(‘#for_captcha‘).html(‘剩余‘+i+‘秒..‘);
12       if(i<=0){
13       $(‘#for_captcha‘).removeAttr(‘disabled‘,‘disabled‘);
14       $(‘#for_captcha‘).html(‘获取验证码‘);
15                 window.clearTimeout(countdown);
16        }
17        else{
18                 var countdown=setTimeout(‘count_down()‘,1000);
19        }              
20 }
21 
22 function get_captcha(){
23     var phone= $(‘#phone‘).val();//console.log(phone);
24     url=url+phone;              
25 
26      re= /^1\d{10}$/;            
27      if (re.test(phone)) {
28              $.post(url,function(data){
29                     console.log(date);
30              }).complete(function(){
31                     console.log(‘complete‘);
32              });
33 
34              i=60;
35              count_down();
36       }
37       else {
38              alert("手机号码不正确");
39              return false;
40       }
41 
42  }
43 </script>