Return the Next Number from the Integer Passed in JavaScript

Create a function that takes a number as an argument, increments the number by +1 and returns the result.
Examples:
addition(0) ➞ 1

addition(9) ➞ 10

addition(-3) ➞ -2
 
code: 
<script>
function addition(num){
return num+1;
}
 
addition(0) // output 1
addition(9) // output 10
addition(-3) // output -2
</script>