get multiple checkbox value in javascript

JavaScript
<!DOCTYPE html>
<html>
    <body>
        <label>Check Which you have</label><br/>
        <input type="checkbox" id="checkbox1" name="bike" value="Bike"> Bike <br/>
        <input type="checkbox" id="checkbox2" name="car" value="Car"> Car   <br/>

 
        <input type="checkbox" id="checkbox3" name="home" value="Home"> Home <br/>
        <button onclick="getValue()">Get Value</button>
        <p id="p1"></p>
        <script>
            function getValue() {
             var ele=[]
              var bike = document.getElementById("checkbox1")
              if(bike.checked){
                    ele.push(bike.value);
             }
             var car = document.getElementById("checkbox2")
              if(car.checked){
                    ele.push(car.value);
             }
             var home = document.getElementById("checkbox3")
              if(home.checked){
                    ele.push(home.value);
             }
               if(ele.length>0){
                document.getElementById("p1").innerHTML = ele;
               }
               else{
               document.getElementById("p1").innerHTML = "You Dont have any thing";
               }
             }
             
             
        </script>
    </body>
</html>
Source