setInterval and [removed] problem

Question

I have this code

window.onload = function() {            
    function foo() {
        alert(\"test\");
    }
    setInterval(\"foo()\",500)
}

Answer 1

Alternatively, you can define the function within the call to setInterval:

window.onload = function() {
    setInterval(
        function foo() {
            alert("test");
        },
        500
    );
}