Why is my onchange function called twice when using .focus()?

Question

TLDR

• Check this example in chrome.
• Type someting and press tab. see one new box appear
• type something and pr

Answer 1

Try this example:

var curNum = 1;
function myOnChange( context )
{
    curNum++;

    $('').insertAfter( context );
    $('#prefix_'+ curNum ).focus();

    return false;
}

jsFiddle.