关于JS路径访问不到controller方法的问题

当html中要提交的数据即包含在form表单，又有js事件触发去转向controller方法时，会发生路径寻找错误，如下

<div id="delete">  
        <h1>删除用户</h1>  
         <form >
            <input required="required" placeholder="用户手机号" name="tel" id="tel"></input>  
            <input required="required" placeholder="确认用户手机号" name="telAgain" id = "telAgain"></input>  
            <button class="but" onclick="myFunction()">确认删除</button>  
         </form>
    </div> 
      
    <script	 type="text/javascript">
	    function myFunction()
	    {
	   	 	var tel = document.getElementById("tel").value;
	   	 	var telAgain = document.getElementById("telAgain").value;   
		    if(tel == telAgain){
		    	window.location.href = "deleteUserByTel?tel="+tel+"&telAgain="+telAgain;
		    }else{
		    	alert("两次手机号应相同");	    
		    }
	    }
    </script> 

此时应把form表单去掉，因为form也相当于提交，重复提交会造成混乱！

<div id="delete">  
        <h1>删除用户</h1>  
         
            <input required="required" placeholder="用户手机号" name="tel" id="tel"></input>  
            <input required="required" placeholder="确认用户手机号" name="telAgain" id = "telAgain"></input>  
            <button class="but" onclick="myFunction()">确认删除</button>  
         
    </div> 
      
    <script	 type="text/javascript">
	    function myFunction()
	    {
	   	 	var tel = document.getElementById("tel").value;
	   	 	var telAgain = document.getElementById("telAgain").value;   
		    if(tel == telAgain){
		    	window.location.href = "deleteUserByTel?tel="+tel+"&telAgain="+telAgain;
		    }else{
		    	alert("两次手机号应相同");	    
		    }
	    }
    </script>