Change Div background when input is clicked - How?

Question

Does anyone know how to the change the background of a DIV when the a <input> is clicked?

Answer 1

using jquery:

$('#input_id').click(function() {
  $('#div_id').css('background-image','url')
});

Answer 2

Something like this:

var input = document.getElementById("my_input_id");

input.onclick = function ()
{
    document.getElementById("my_div").style.backgroundColor = "blue";
};