Need jquery or javascript function to get round up value of input number [closed]

Question

Following is my script which I am trying to find solution for it. But I actually this function return round of ANS: 2. Eg. If input value is greater than 2.01 then result will be 3. I know round function is not help me to get this kind of answer. please help me to fix this issue.

<button onclick="myFunction()">Try it</button>

<p id="demo"></p>
<script>
    function myFunction() {
        document.getElementById("demo").innerHTML = Math.round(2.01); 
    } 
</script>

Answer 1

Use below code:

<script>
  num = Math.ceil(2.01);
  alert(num);
</script>

Answer 2

There you go

<p id="demo"></p>
<script>
        function myFunction() {
            document.getElementById("demo").innerHTML = Math.ceil(2.01 * 10) / 10; //2.00
            //test greater value
            document.getElementById("demo").innerHTML = Math.ceil(2.16 * 10) / 10; //2.2
        } 
</script>