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大白HELP_html/css_WEB-ITnose

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2016-06-24 11:15:221330browse


回复讨论(解决方案)


   
   


   
   手机验证
   
   
       <script> <br /> function aa(obj) <br /> { <br /> obj = document.getElementById("inputContent").value; <br /> var reg = new RegExp("^[0-9]*$"); <br /> <br /> if(obj.length != 11) <br /> { <br /> alert("手机号码长度应该是11位"); <br /> } <br /> else if(!reg.test(obj)) <br /> { <br /> alert("手机号码应该全部是数字"); <br /> } <br /> else if(obj[0]!= "1" || obj[1]!= "3") <br /> { <br /> alert("手机号码应该13开头"); <br /> } <br /> else <br /> { <br /> alert("你填的是正确的手机号码!"); <br /> } <br /> } <br /> </script>
   
手机号码:
   
   

   
   

或者  下面的方法
  function aa(obj)
   {  
      obj = document.getElementById("inputContent").value;
 var reg = new RegExp("^[0-9]*$");
var reg1 = /^13\d{9}$/;  
      if(obj.length != 11)
  {
     alert("手机号码长度应该是11位");
  }
          else if(!reg.test(obj))
  {
     alert("手机号码应该全部是数字");
  }
 // else if(obj[0]!= "1" || obj[1]!= "3")
   else if(!reg1.test(obj))
  {
     alert("手机号码应该13开头");
  }
  else
  {
     alert("你填的是正确的手机号码!");
  }
   }

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