Login registration box mobile phone number and verification code verification implementation code

This article mainly introduces in detail the front-end code of js to implement login registration box mobile phone number and verification code verification. It has certain reference value. Interested friends can refer to it. I hope it can help everyone.

Many development scenarios will use the verification of mobile phone numbers and verification codes. The specific implementation is as follows

<p>
  <input type="text" name="phonenumber" placeholder="请输入您的手机号码" />
  <input type="text" name="verify" placeholder="请输入验证码" /><input type="button" value="发送验证码" class="verify_code" />
  <input type="button" name="btn" placeholder="立即领取" class="btn" />
</p>
<!--弹出层-->
<p class="layer" style="display:none">
    <p>领取成功</p>
    <img src="img/close-btn.png" class="close-btn">
</p>

$(document).ready(function(){
//点击关闭按钮关闭弹出层
  $(".close-btn").click(function(){
   $("layer").hide();
  });

//只有再手机号和验证码验证为有效后，点击领取按钮跳出弹出层事件才生效
  $('[name=btn]').click(function(){
     if(!validate()){
    return false;
    }
    $(".layer").show();
  });

//验证
function validate(){
//正则表达式，十一位数字的电话号码
  var phoneReg = /^(0|86|17951)?(13[0-9]|15[012356789]|17[0-9]|18[0-9]|14[57])[0-9]{8}$/;
//如果手机号码输入为空，则再输入框后插入错误信息
if($('[name=phonenumber]').val==''){
    $('[name=phonenumber]').after(errMsg('手机号码不能为空！'));
　　　　return false;
　　}
//验证输入的电话号码是否是11位数字
if(!phoneReg.test($('[name=phonenumber]').val())){
$('[name=phonenumber]').after(errMsg('请输入正确的手机号码！'));
　　　　return false；
}

//验证码不为空验证
if($('[name=verify]').val==''){
    $('[name=verify]').after(errMsg('验证码不能为空！'));
　　　　return false;
}
$('.error').remove();
return true;}
//点击发送验证码按钮，进行倒计时
$('.verify_code').on('',function(){
 if(!this.b){
  setTimer();
  this.b=true;
}
})

//倒计时
function setTimer(){
　　var time=60;
  var timers=setInterval(function(){
  time--;
if(time <= 0){
  time=0;
  console.log(time);
  $(&#39;.verify_code&#39;).eq(0)[0].b=false;
  $(&#39;.verify_code&#39;).val(&#39;获取验证码&#39;);
  clearInterval(timers);
return false;
 
}
$(&#39;.verify_code).val( time+ &#39;秒后重新获取&#39;)；
}，1000）
}


//错误信息显示
function errMsg(html){
　　$(&#39;.error&#39;).remove();
　　var str=&#39;<p class="error">*&#39;+html+&#39;</p>&#39;;
  return str;
}

});

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