JavaScript - How to Insert Number to InputBox by using Button

Question

Please help, How to insert number into inputbox by Id.

<input name="table1" type="text" size="1" id="musicstock1"/>

Would like to insert for example number (5) into this particular input box when button clicked.

So push the "Insert" button number 5 show on inputbox

is this correct?

function insert () {
    document.getElementById('musicstock1').innerHTML = "5";
}

Thank you in advance

Appericiate for Replys... Please Check @

http://jsfiddle.net/JxfcH/#

Not Worked..

Answer 1

you must assign value to the "value" attribute of the input box.

document.getElementById("musicstock1").value = "5";

Answer 2

You want:

function insert () {
    document.getElementById('musicstock1').value = "5";
}